Design an experiment to measure the speed of a toy train going around a circular track.

Design an experiment to demonstrate the actions of the sympathetic and parasympathetic nervous systems on the iris of the eye.

The number of AIDS-related deaths/year in the United States is given by the function $f(t)=-53.254 t^{4}+673.7 t^{3}-2801.07 t^{2} +8833.379 t+20,000$ $(0 \leq t \leq 9)$ with t=0 corresponding to the beginning of 1988. Find the total number of AIDS-related deaths in the United States between the beginning of 1988 and the end of 1996.

In your opinion, do unions have a useful, even necessary, role to play in the modern American economy? How do you think unions affect the current economy? In what ways might the economy be improved if unions were stronger, or how might the economy be weakened by more unionization? Defend your point of view with facts and evidence in a one-page paper.

Thomas Jefferson was born in 1743. How old was he when he was elected president of the United States in 1800? (Write an equation and solve the problem.)

The below statement corresponds to a numbered sentence in the passage. It contains a blank and is followed by four answer choices. Decide which choice fits best in the blank. The word or phrase that you choose must express roughly the same meaning as the italicized word in the passage. Write the letter of your choice on the answer line.

The $\underline{?}$ standards of modern works can be difficult to understand. ______________ (aesthetic)

a. high b. declining c. artistic d. commercial

The United States Capitol Rotunda is a circular room located in the Capitol Building in Washington, D.C. The radius of the room is 48 feet. What is its circumference?

The mailroom employees send all remittances and remittance advices to the cashier. The cashier deposits the cash in the bank and forwards the remittance advices and duplicate deposit slips to the Accounting Department.

a. Indicate the weak link in internal control in the handling of cash receipts.

b. How can the weakness be corrected?

Use the following information to answer.

An upscale department offers its customers free gift wrapping on any day that they spend at least $\$ 100$. The store offers 5 box sizes (XS, S, M, L, XL), 6 wrapping themes (birthday, wedding, baby girl, baby boy, anniversary, and all-occasion), and 3 styles of bow (classic, modern, and jazzy).

What is the probability that any wrapped package will be in a large box?

a. What are the three main particles in the modern model of an atom? b. Why do atoms have no electric charge even though most of their particles have charges? c. What is atomic number, and how is it used to distinguish one element from another? d. The atomic number of the isotope nitrogen-15 is 7 . How many protons, neutrons, and electrons make up an atom of nitrogen-15?

Listed below are nine technical accounting terms:

$$\begin{array}{lll}\text { Variable costs } & \text { Relevant range } & \text { Contribution margin } \\ \text { Break-even point } & \text { Fixed costs } & \text { Semivariable costs } \\ \text { Economies of scale } & \text { Sales mix } & \text { Unit contribution margin }\end{array}$$

Each of the following statements may (or may not) describe one of these technical terms. For each statement, indicate the accounting term described, or answer "None" if the statement does not correctly describe any of the terms.

e. Unit sales price minus variable cost per unit.

Visit the website of the SEC (https://www.sec.gov/edgar/searchedgar/companysearch.html). Search for the latest Form 10-K for a company you would like to analyze. Submit a short memo that

C. State the changes identified in (A), (B), and (C) in accounting equation format. If the “change” equation does not balance, explain why not. Hint: Double-check your calculations, and if the accounting equation change still does not balance, search for notes in the company’s files about prior period adjustments, which will often explain why balances may differ.

i. Provide the web link to the company’s Form 10-K to allow accurate verification of your answers.

An old manuscript reveals that a landowner in the time of King Arthur held 3.00 acres of plowed land plus a livestock area of 25.0 perches by 4.00 perches. What was the total area in the more modern unit of square meters? Here, 1 acre is an area of 40 perches by 4 perches, 1 rood is an area of 40 perches by 1 perch, and 1 perch is the length $16.5 \mathrm{ft}$.

As part of a school contest, Sarah and Luis are playing a math game. Sarah must pick a number between 1 and 50 and give Luis clues so he can write an equation to find her number . Sarah says, "If I subtract 5 from my numbe r, multiply that quantity by 4, and then add 7 to the result, I get 35:'