We have a Racket program below: (define lst '(Racket (is fun))) (define lst (car (cdr lst))) (define lst (cons 'Racket lst)) Draw the memory layout in terms of cells for cach execution step of the above program. Assume Garbage Collection does not run in intermediate steps. What is the value of Ist at the end? Suppose the system decides to perform a Mark-and- Sweep Garbage Collection at the end, which memory cells would be recycled?

Answers

Answer 1

I understand that you'd like an explanation of the given Racket program and its memory layout, as well as the final value of "lst" and the memory cells that would be recycled during a Mark-and-Sweep Garbage Collection. Here's an overview:


1. `(define lst '(Racket (is fun)))` creates a list `lst` with two elements: the symbol `Racket` and a sublist `(is fun)`.
Memory layout:
- Cell 1: lst -> Cell 2
- Cell 2: Racket -> Cell 3
- Cell 3: (is fun)
2. `(define lst (car (cdr lst)))` updates `lst` to be the first element of its current tail (i.e., the sublist `(is fun)`).
Memory layout:
- Cell 1: lst -> Cell 3
- Cell 2: Racket (unused)
- Cell 3: (is fun)
3. `(define lst (cons 'Racket lst))` adds the symbol `Racket` back to the start of the list.
Memory layout:
- Cell 1: lst -> Cell 4
- Cell 2: Racket (unused)
- Cell 3: (is fun)
- Cell 4: Racket -> Cell 3
At the end of the program, the value of `lst` is `(Racket (is fun))`.
If a Mark-and-Sweep Garbage Collection occurs, Cell 2 would be recycled, as it is the only unused cell in the memory layout.

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Related Questions

A technician adds a second hard drive to a server with the goal of setting up a RAID 1 but the RAID is not working. Where should the technician look first to try to solve the problem?

Answers

A technician adds a second hard drive to a server with the goal of setting up a RAID 1, but the RAID is not working. He should look first at the RAID setup in the BIOS.

What is RAID?

Data is replicated onto many drives for higher throughput, error correction, fault tolerance, and improved mean time between failures when mirroring or striping data on clusters of low-end disk drives.

In Setup mode, you can add new Secure Boot variables. You should not leave Setup mode running indefinitely.

Therefore, he should first check the RAID configuration in the BIOS.

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a text that is ___ line spacing means that there is one clear line space between each lines of text

Answers

The distance between each line in a paragraph is known as line spacing. You can choose between single spaced (one line height) and double spaced line breaks in Word.

What is the distance between text lines?

Leading (which rhymes with bedding) is the traditional term for line spacing. Lead strips were typically used between lines of type in traditional print shops to create more vertical space. This phrase can occasionally be found in typesetting software. The ideal line spacing for the majority of text is between 120% and 145% of the point size.

What does Word's 2.0 line spacing mean?

Select Double under Design > Paragraph Spacing to double-space every paragraph in the manuscript. Pick the paragraphs you want to modify in order to double-space only those.

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Mark this question for review To answer this question, complete the lab using information below. You will only be allowed one attempt to complete this lab. Launc You are the IT administrator for a small corporate network. Recently, you added a web server that runs services that need to be accessible from the internet. You need to place this server in a DMZ and configure the DMZ settings on the network security appliance (NSA). In this lab, your task is to perform the following: Connect the left port of the CorpDMZWeb server to the Optional port on the NSA. Configure the optional port on the NSA for DMZ mode from the IT administrator's workstation. NSA management console address: http://198.28.56.18 • Username: Admin Password: AdminsOnly (O is zero) Configure the DMZ port to act as a DHCP server with the default IP addresses. Primary DNS server address: 163.128.78.93

Answers

Web security gateways and unified threat security devices are other names for all-in-one security solutions.

A small business without the resources to purchase separate components may find that this kind of gadget is the best option. A DMZ's function is to give a company's local area network an additional layer of security. The content that is accessible in the DMZ can be accessed by a secured and watched network node that faces away from the organization's internal network, while the remainder of the network is secure behind a firewall. A demilitarized zone (DMZ) is a physical or logical subnet in computer networks that isolates a local area network (LAN) from other untrusted networks, typically the public internet. Perimeter networks and screened subnetworks are other names for DMZs.

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How to fix "files required to play gta online could not be downloaded"?

Answers

The way to fix "files required to play GTA online could not be downloaded" are given below.

What is the GTA Gaming  about?

Here are a few steps that you can try to fix the "files required to play GTA Online could not be downloaded" error:

Check your internet connection: Make sure that you have a stable internet connection and that you are not experiencing any connectivity issues.Restart the game: Close the game, and then reopen it to see if the error persists.Clear the game's cache: Go to the in-game settings and clear the game's cache. This can help to resolve any issues with corrupted or outdated files.Verify the game files: Use the game's built-in file verification feature to ensure that all of the game files are present and not corrupted.Update the game: Make sure that you are running the latest version of the game, and that all updates have been installed.Reinstall the game: If none of the above steps work, you may need to uninstall and reinstall the game.

Contact Rockstar Games Support: If you still have the issue, you can contact the Rockstar Games support team for further assistance. They may have a solution or a fix for the problem.

Therefore, it is vital to note that some of these steps may require a certain level of technical knowledge and experience. It's also important to keep in mind that the issue may not be related to the game or the user's device, but rather with the Rockstar Games

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Which of the following is an example of computer "processing"?
*
A) A computer solves a math problem.
B) A computer displays an image on the screen.
C) A computer receives the user's name.
D) A user talks to the computer with a microphone to give it information.

Answers

Answer:

A) A computer solves a math problem.

Explanation:

Processing refers to the way in which a computer takes in data, performs operations on it, and produces output. In this context, the example of a computer solving a math problem is an example of processing, as the computer is taking in the math problem, performing operations to solve it, and producing the output of the solution.

I need good explanation on this honestly

Answers

The difference is is that for the big store someone else owns the brand while the small buissness has full ownership

Which of the following functions could possibly operate without needing any input parameters?
O average()
sum()
O random()
O sqrt()

Answers

Average() and sum() are two functions that may be used without any input parameters. The parameters you give a service to utilize when you make a service request are known as input parameters.

What is meant by input parameters ?

We frequently wish to be able to reuse code blocks inside programs without having to rebuild them from scratch. To arrange and name pieces of code so that we can subsequently refer to them, we use functions. We must first declare and name the function before we can use it, just as we would when creating a variable.

Input parameters are the information you give to a service in order to use it during a service call. It's possible that some of the services have no input parameters. Use of input parameters transmits dynamic content to the external data source. Data elements used to carry out a function are known as workflow input parameters. The data products of an activity are known as workflow output parameters.

Therefore the correct answer is average() sum() .

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How to fix "windows subsystem for linux has no installed distributions"?

Answers

To fix the "Windows Subsystem for Linux has no installed distributions" error, you can try the following steps:

Open the Microsoft Store app on your Windows machine.Search for "Linux" and select the "Windows Subsystem for Linux" app.Install the app.Once the installation is complete, open the Command Prompt (cmd) or PowerShell and run the command: "wsl --install"Restart your computer.

After restarting, open the Command Prompt or PowerShell and run the command "bash" to start the Linux shell.

Once you are in the shell, you can install your preferred Linux distribution. If the above steps does not work, please check if you have the latest windows version and if your device meets the system requirements for WSL.

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Can anyone please help me answer this question?
Users should not be involved throughout system development. True or False?

Answers

Answer: True

Explanation:

True. It is necessary for business users to be actively involved in the system development process, since they are the actual users of all the modules of the system, their inputs.

An instance variable refers to a data value that

a is owned by an particular instance of a class and no other

b is shared in common and can be accessed by all instances of a

given class

Answers

The correct answer is b is shared in common and can be accessed by all instances of a.

A variable that is defined in a class but not within constructors, methods, or blocks is referred to as an instance variable. When an object is generated, instance variables are created that are available to all of the constructors, methods, and blocks in the class. The instance variable can be given access modifiers. The parameter value for a particular mapping is known as the instance value. You have the option of setting the instance value to a default value, a particular value, or the value of a mapping parameter. The transformation parameter's default value may be overridden by a mapping or mapplet argument.

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In which order do the problem solving steps happen?
*
A) Try, Define, Prepare, and Reflect
B) Reflect, Prepare, Try, and Define
C) Define, Prepare, Try and Reflect
D) Reflect, Try, Prepare, Define

Answers

Answer:c

Explanation:

Which of the following best describes what a thesis for a historical essay should be?

A.
a well-researched fact
B.
a summary of an event
C.
an interpretive claim
D.
an uncontestable statement

Answers

A historical essay's thesis is most appropriately characterized as an interpretive claim. Argumentative historical thesis statements provide the author's viewpoint on a subject.

What is a thesis statement?

The thesis statement contains information about the subject being covered, the arguments put forth in the work, and the intended audience. Your thesis statement should be in the final sentence of your introduction, which is typically referred to as your first paragraph.

What is a historical writing thesis statement?

The statement that summarizes the historical argument is known as the thesis. The claim or thesis is cited by the Common Core State Standards as a crucial component of writing in history classes.

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Which of the following if statements uses a Boolean condition to test: If kids are under 10, they eat for free? (5 points)
if( kid < 10):
if( kid > 10 ):
if( kid == 10 ):
if( kid != 10 ):

Answers

Answer:

if( kid < 10 ):

Explanation:

what process prepares a hard drive for use by an operating system?

Answers

Answer: The answer is the Boot as the boot sequence prepares 1 the either floppy or another storage device by starting it up and reading it 2 Bios 3 the operating system to be used by the user 4 internet so the booting of the machine.

Explanation:

Your system volume is running out of disk space. You need to extend the system volume to give it more space. Which of the following conditions must be met to extend the system volume?

Answers

A.&B. The system volume must be formatted with NTFS, and the disk must have contiguous free space on the same disk.

B. In order to extend the system volume, the disk must first be formatted with NTFS. This ensures that all the data on the disk is stored in the correct format for the system to use it. Next, the disk must have contiguous free space on the same disk.

This means that the free space must be located directly next to the system volume, and there must not be any other partitions or files that are taking up space on the disk. Once these two conditions are met, you can use the Disk Management tool to extend the system volume and add more space.

So, both conditions must be met to extend the system volume.

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Complete question:

Your system volume is running out of disk space. You need to extend the system volume to give it more space. Which of the following conditions must be met to extend the system volume?

O The system volume must be formatted with NTFS

.O The disk must have contiguous free space on the same disk.

How to fix "This file cannot be previewed because there is no previewer installed for it" error?

Answers

Activating Windows Firewall, according to some users, resolves the problem: - Choose "Settings" from the menu that appears after choosing "Start." - Click on "Update and Security" and then "Windows Security" and then "Firewall and Network Protection." - Select a network profile and switch the "Windows Defender Firewall" setting to "On"

I want to enable the PDF previewer.

Launch Adobe Acrobat or Acrobat Reader. Pick Preferences from the Edit menu to start. Select the General category in the Preferences dialog box, then click the Enable PDF thumbnail previews in Windows Explorer check box.

Why won't Chrome display my PDF preview?

A built-in feature of Chrome allows users to download PDFs rather than just preview them. Normally, this setting is off by default, but there's a chance you may have done so unintentionally.

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Rigging Tools and Rigging
Equipment Hardware

Answers

Rigging hardware refers to the different pieces of equipment used to safely lift and move loads on a crane system.

It also includes the tools used to distribute the weight of the load evenly as it is lifted. There are many different types of crane rigging equipment. Hoist crews help move heavy loads from one location to another on a construction or industrial site safely. These devices can include chain block winches, lever blocks, cranes, mechanical hoists, pulleys, trolleys, lifting slings, pulleys, pulley blocks, and many more. Rigging screws are used to provide a means to adjust length and tension. They are also used with tie rods for masts, towers, other structures, and engineering applications. Rigging screws generally have oblong eyes or clevis end fittings for connection to shackles, wire rope assemblies, pad eyes, and the like.

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1.16.2 Racing Karelpublic class FetchKarel extends SuperKarel{public void run(){move();turnLeft();move();move();move()move();turnRight();move();takeBall();turnAround();move();move()turnLeft();move();move();move();move();turnLeft();putBall();}}

Answers

Karel is about to compete in a race in his world, which is a racetrack. Karel needs to circle the racetrack eight times in order to return to where he started. That's your job.

Put a ball down every time Karel hits a corner so that by the time the game is through, each corner has eight balls. the url to your solution in an upload. Give Karel the Dog commands using the Java programming language. Karel is able to turn right and turn around in SuperKarel.

function turnRight(){

   turnLeft();

   turnLeft();

   turnLeft();

}

function turnAround(){

   turnLeft();

   turnLeft();

}

function yourFunctionName() {

   // Code that will run when you make a call to

   // this function.

}

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8.7 Q2 need help pls

Answers

Below is an example of how you can write a loop in Python to print the words that start with "F" or "L" from the list w:

w = ["Algorithm", "Logic", "Filter", "Software", "Network", "Parameters", "Analyze", "Algorithm", "Functionality", "Viruses"]

for word in w:

   if word[0] == "F" or word[0] == "L":

       print(word)

The output of this code will be:

Logic

Filter

Functionality

What is the Programming language about?

The above code uses a for loop to iterate through the list of words w. The for loop starts with the line for word in w:. This line tells the loop to assign each element of the list w to the variable word in turn and execute the indented code block for each value.

The indented code block that follows the for loop starts with an if statement if word[0] == "F" or word[0] == "L":. This line checks if the first letter of the word stored in the variable word is "F" or "L". The square brackets [] after the variable name word are used to access an element in a list or a string.

Here word[0] is used to access the first letter of the word, since indexing in python starts from 0. The or operator is used to check if either the first letter is F or the first letter is L.

If the condition in the if statement is true, the code indented under the if statement is executed. In this case, the word is printed using the print() function. This will print all the words that starts with "F" or "L" from the list w.

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Why do I get ""we restrict certain activity to protect our community""?

Answers

Unfortunately, if you see this notice in any form, it implies has temporarily disabled your account's ability to do certain actions.

What is communication?

The transfer of information is the standard definition of communication. The phrase can either be used to describe the message itself or the area of research referred to as communication studies that focuses on these transmissions. There are some differences of opinion regarding the exact definition of communication, such as whether inadvertent or unsuccessful transmissions are included and if communication creates meaning in addition to transmitting it. Communication models seek to give a concise overview of its key elements and how they work together. A common theme among them is the notion that a source use a coding scheme to convey information as a message. They transmit information across a channel to a recipient, who must decode it in order to comprehend its meaning.

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Why would you most likely use a circle graph?
A. To show how many people in one city prefer paper bags and how
many prefer plastic bags
B. To show what percentage of people in one city prefer paper bags
to plastic bags
C. To show how many paper and plastic bags are used by the people
of one city over several years
D. To show the relationship between paper or plastic bag preference
and a person's city
SUBMIT

Answers

Answer: B. To show what percentage of people in one city prefer paper bags to plastic bags

Explanation:

A simple machine increases the distance that a force needs to be applied from 3 meters to 27 meters, and the work done is 216 joules. How much force is applied?.

Answers

The work done is 216 joules, and a simple machine extends the distance over which a force must be exerted from 3 meters to 27 meters. The applied force is 8N.

By shifting the direction in which the force must be applied, the output force can be divided by the input force. 3N  W=△E  8N

A physical system known as a machine uses power to apply forces, regulate movement, and carry out an action. In addition to naturally occurring biological macromolecules like molecular machines, the phrase is frequently used to describe artificial devices that use engines or motors. Machines can be propelled by humans, animals, and natural forces like wind and water. They can also be propelled by chemical, thermal, or electrical energy. These machines typically have a system of mechanisms that shape the actuator input to produce a particular application of output forces and movement. They can also contain mechanical systems, which are generally referred to as computers and sensors that track performance and coordinate movement.

The six basic mechanisms that move a load were named by Renaissance natural philosophers as simple machines.

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You plan to deploy the following azure web apps: webapp1, that runs on windows server 2016 webapp2, that runs on windows server 2022 webapp3, that runs on ubuntu server webapp4, that runs on red hat enterprise linux you need to create the app service plans for the web apps. What is the minimum number of app service plans that should be created?.

Answers

The following Azure web apps are what you intend to deploy: webapp1, which is powered by Windows Server 2016, webapp2, which is powered by Ubuntu Server, and webapp4.

What is the minimum number of app service plans that should be created?.Using Azure App Services' hosting option, developers may create mobile or web apps. Additionally, it may be used by developers to build SaaS-integrated Logic apps or API apps. Azure Website, Azure Mobile Services, and Azure BizTalk Services are all being replaced with a single service called Azure App Services. App Service improves the security, load balancing, auto-scaling, and automated administration features of your application. Additionally, it offers DevOps capabilities like package management, staging environments, custom domains, and TLS/SSL certificates. Continuous deployment utilizing Azure DevOps, GitHub, Docker Hub, and other sources is also available.

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A scrum team with all the skills necessary to deliver a usable increment is?

Answers

A scrum team with all the skills necessary to deliver a usable increment is a cross-functional team.

What is the scrum about?

Scrum is an Agile framework for managing and completing complex projects. In Scrum, a cross-functional team is a team that has all the skills and expertise necessary to deliver a usable increment of the product at the end of each sprint.

This means that the team includes members with diverse skills such as developers, designers, QA testers, product owners, etc. and they all work together to deliver a potentially releasable product increment.

Therefore, The cross-functional team is self-organizing and self-managing, and is responsible for delivering the product increment at the end of each sprint. This approach allows for flexibility and adaptability in the development process, and allows the team to respond quickly to changes in the project requirements.

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Which of the following is true of the way many large digital media vendors are using Digital Rights Management technology

Answers

They are moving away from DRM because of some key flaws in the technology. They accept DRM alternatives such as: B. Requiring customers not to unlawfully redistribute the digital files.

Digital Rights Management (DRM) is a method of protecting copyrights in digital media. This approach includes the use of techniques to restrict the copying and use of copyrighted works and proprietary software.

In a sense, digital rights management allows publishers or authors to control what paying users can do with their work. For an organization, implementing a digital rights management or process can prevent users from accessing or using certain assets and help the organization avoid legal issues arising from unauthorized use. Today, DRM plays an increasingly important role in data security.

With the advent of peer-to-peer file-sharing services such as torrent sites, online piracy has become the bane of copyrighted material. DRM technology does not catch those involved in copyright infringement. Instead, it makes it impossible to steal or share content in the first place.

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Configure the Windows Update settings.
a. Right-click Start and then select Settings.
b. Select Update & security.
c. From the right pane, select Advanced options.
d. Under Update Options, turn on (slide the switch to on) Receive updates for other Microsoft products when you
update Windows.
e. Under Choose when updates are installed, configure each options as follows:
A feature update includes new capabilities and improvements. It can be deferred for this many days: 60
A quality update includes security improvements. It can be deferred for this many days: 30
f. Close the Settings window.

Answers

Expand Computer Configuration, Administrative Templates, Windows Components, and then click Windows Update in the Group Policy Object Editor. Click Allow Automatic Update for instant installation in the details window to set the setting. Press OK.

What is the Windows Update default setting?

Arrange for automatic updates, Windows upgrades your operating system automatically by default. You can alter Windows' installation schedule, allowing you to continue working uninterrupted.

In Windows 10 Group Policy, how can I enable Windows Update?

By going to Computer Configuration > Administrative Templates > Windows Components > Windows Update > Configure Automatic Updates and selecting Install updates for additional Microsoft programmes, you may activate Microsoft Updates.

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Which statement is the best definition of social media?
A. Social media is designed to facilitate and be promoted by social
interactions.
O B. Social media is the exchange of information from newspapers.
O C. Social media is the advertising of products to potential
consumers.
D. Social media is designed to allow people to view local news on
television.

Answers

Answer: A. Social media is designed to facilitate and be promoted by social interactions.

Explanation:

Social media refers to websites and mobile apps that enable users to interact with each other in virtual communities and networks, through text, audio, and video. The platforms provide a space for users to share and exchange information, ideas, personal messages, and other content or to participate in social networking. It’s a user-driven medium, where people can interact and share information with each other easily and in a variety of ways.

The Publication Manual of the American Psychological Association, Seventh Edition is the official source for APA Style. With millions of copies sold worldwide in multiple languages, it is the style manual of choice for writers, researchers, editors, students, and educators in the social and behavioral sciences, natural sciences, nursing, communications, education, business, engineering, and other fields.
a. true
b. false

Answers

The statement about The Publication Manual of the American Psychological Association, Seventh Edition is true. This statement is aligned from the APA public statement about the The Publication Manual of the American Psychological Association, Seventh Edition.

What is APA?

APA stand for American Psychology Association. APA is standard format or a guide for documentation in academic documents like scholarly journal articles and books.  The guidelines in APA were developed to help reader to read comprehension in the documentation , for clarity of communication, and for "selected word which best reduces bias in language". The latest version of APA is the seventh edition.

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Which of the following best describes what a thesis for a historical essay should be?

A.
a well-researched fact
B.
a summary of an event
C.
an interpretive claim
D.
an uncontestable statement

Answers

A historical essay's thesis is most appropriately characterized as an interpretive claim. Argumentative historical thesis statements provide the author's viewpoint on a subject.

What is a thesis statement?

The thesis statement contains information about the subject being covered, the arguments put forth in the work, and the intended audience. Your thesis statement should be in the final sentence of your introduction, which is typically referred to as your first paragraph.

What is a historical writing thesis statement?

The statement that summarizes the historical argument is known as the thesis. The claim or thesis is cited by the Common Core State Standards as a crucial component of writing in history classes.

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Linux can be implemented in many different ways. Drag the implementation type to the definition that matches it BEST.

Answers

Running Windows and Linux on the same machine.Technology as a Service (IaaS) ,controls intelligent equipment, including automation and control devices

Which of the following commands is used to find a specific file?The find function ,You may search for a file or directory on your file system with the locate command. Matches, which can be files, directories, symbolic links, system devices, etc., can be found and instantly processed inside the same command by using the -exec flag (find -exec).The default shell used by the majority of Linux machines is the Bourne-again shell (bash). It uses commands similar to a UNIX shell.Running Windows and Linux on the same machine.Technology as a Service (IaaS) ,controls intelligent equipment, including automation and control devices.

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Chemical reaction when chromium metal is immersed in an aqueous solution of cobalt(II) Which sentence from How Woodrow Wilsons Propaganda Machine Changed American Journalism includes an example of flawed reasoning?How Woodrow Wilsons Propaganda Machine Changed American JournalismIn addition, the CPI issued a set of voluntary guidelines for U.S. newspapers, to help those patriotic editors who wanted to support the war effort (with the implication that those editors who did not follow the guidelines were less patriotic than those who did).One technique was to bury journalists in paper, creating and distributing some 6,000 press releasesor, on average, handing out more than 10 a day.The full bundle of techniques pioneered by Wilson during the Great War were updated and used by later presidents when they sent U.S. forces into battle.All Americans have a stake in getting the truth in wartime. If we ignore lift and drag forces as the squid flies through the air, what is the maximum horizontal range that the squid can achieve before splashing down? A bag contains lettered tiles. the theoretical probability of choosing a vowel is 40%. the bag contains 78 consonants. how many tiles are in the bag? Assume a = b and c 0Which of the following sentences is not true? 1) a+c=b+c2) a-c=b-c 3) ac = bc 4) a/c = b/c 5) none of these Atherosclerosis, a particular type of arteriosclerosis, usually involves either complete blockage or severe restriction of blood flow due to high cholesterol and plaque buildup in the arteries. In extreme cases, constricted arteries may collapse from pressure applied outside of the arteries. This can best be explained by: Who is the grantor under the deed of trust? a) abc title b) the redemanns c) the iuros d) thrift federal savings A medical data agency is using an application that maintains social security numbers and birth dates in a database to track medical records across multiple offices. The office wants to ensure that the data is protected but has the ability to restore it to its true state when needed. Which of the following de-identification methods should the application adopt In the space provided, justify your ranking from part B of this task. Briefly make an argument for why you think one cause had a bigger impact than the other causes. Your answer should be about 100 to 150 words long and include evidence to support your argument. The evidence can come from the lessons in this unit or from outside sources. Be sure to list the sources that you used to support your answer. Every acme computer comes with the same account created at the factory. Which kind of vulnerability is this? 16. c= v. If c = 2.998 x 10^8 m/s, v= 4.41 x 104 s-; find a value for . White light is spread out into its spectral components by a diffraction grating. If the grating has 1975 lines per centimeter, at what angle does red light of wavelength 640 nm appear in first-order spectrum? (Assume that the light is incident normally on the grating.) Which of these is an example of drug misuse?A. Sylvia continues taking a prescription medicine after she is supposed to stop.B. Jose uses a cough syrup that his mother bought for him.C. Diego takes one antibiotic a day, as prescribed by his doctor.D. Chen takes an OTC headache medication as the bottle directs. A helicopter is 665 feet above the ground. A girl is looking up at the helicopter to form a line. Her line of sight is 5 feet off the ground. The distance between the girl and the helicopter is 280 feet.A helicopter flies 665 feet above ground. What is the measure of the angle of depression from the helicopter to the girls line of sight? Round to the nearest degree. 23256567 find the value of x from the figure The complexity of a set(index, object) operation using a linked list implementation of a list is:_______ What event marks year one according to the Muslim calendar? Muhammad's first revelation Muhammad's escape from Mecca Muhammad's return to Mecca Muhammad's death and the establishment of the caliphate The salary of the project manager and temporary rental space for the project team would be classified as __________ costs. Along the production possibilities frontier, the most efficient point of production depicted is:_______ Harper is considering undergoing lasik (laser-assisted in situ keratomileusis) surgery to correct her nearsightedness. Which characteristic makes Harper a good candidate for this procedure