Amazon.com, Inc.’s financial statements are presented in Appendix D. Financial statements of Wal-Mart Stores, Inc. are presented in Appendix E. Instructions for accessing and using the complete annual reports of Amazon and Wal-Mart, including the notes to the financial statements, are also given in Appendices D and E, respectively.

Instructions
What conclusions concerning these two companies can be drawn from these data?

Find out three recent news reports that quote percentages. In each case, describe the use of the percentage (as a fraction, to describe change, or for comparison) and explain its context.

Ziegler Corporation reports net income of $380,000 and a weighted-average of 200,000 shares of common stock outstanding for the year. Compute the earnings per share of common stock.

Net income for the year for Carrie, Inc. was $750,000, but the statement of cash flows reports that net cash provided by operating activities was$860,000. What might account for the difference?

Given item below contains an error in sentence structure, subject-verb agreement, pronoun, antecedent agreement, placement of a modifier, verb forms, pronoun forms, or formal, standard English Revise given sentence to correct any errors.
Each of the gymnasts performed their routine for the coach.

Determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. Credit reports contain bankruptcy information. ____

The following table presents the number of reports of graffiti in each of New York’s five boroughs over a one-year period. These reports were classified as being open, closed, or pending.

$$\begin{array}{lrrrr} \hline & \text{Open} & \text{Closed} & \text{Pending} & \\ \text{Borough} & \text{Reports} & \text{Reports} & \text{Reports} & \text{Total}\\ \hline \text{Bronx} & 1,121 & 1,622 & 80 & 2,823\\ \text{Brooklyn} & 1,170 & 2,706 & 48 & 3,924\\ \text{Manhattan} & 744 & 3,380 & 25 & 4,149\\ \text{Queens} & 1,353 & 2,043 & 25 & 3,421\\ \text{Staten Island} & 83 & 118 & 0 & 201\\ \hline \text{Total} & 4,471 & 9,869 & 178 & 14,518\\ \end{array}$$

A graffiti report is selected at random. Compute the following probabilities.

$\textbf{a.}\hspace{10pt}$ The report is open and comes from Brooklyn.

$\textbf{b.}\hspace{10pt}$ The report is closed or comes from Queens.

$\textbf{c.}\hspace{10pt}$ The report comes from Manhattan.

$\textbf{d.}\hspace{10pt}$ The report does not come from Manhattan.

$\textbf{e.}\hspace{10pt}$ The report is pending.

$\textbf{f.}\hspace{10pt}$ The report is from the Bronx or Staten Island.

For this item, some examples of irrational numbers are $\sqrt{2}$ or $\pi$. Look at the screen shots in the My Notes sections of $\sqrt{2}$ and $\pi$, where $\sqrt{2}$ is 1.414213562 and $\pi$ is 3.141592654

What is the difference between the decimal forms of rational numbers and the decimal forms of irrational numbers?

An experimenter reports that a certain strain of bacteria grows at a rate proportional to the square of the size of the population. Set up a differential equation that describes the growth of the population. Sketch a solution.

Review Shale forms from tiny particles of (clay/sand/mica). b. Describe How is clay deposited to form shale? c. Ahfer You come across a thick deposit of shale that forms a layer in the ground. What can you infer about the area's past environment?

What causes atoms to form chemical bonds with other atoms? A. They want to have filled outer orbitals. B. When two atoms get close together, they merge into one. C. The interaction of valence electrons forms a more stable configuration. D. The attraction of the nuclei for one another causes atoms to share electrons.

In which of the following two-level circuit forms can an arbitrary switching function be realized? Verify your answers. (Assume the inputs are available in both complemented and uncomplemented form.) (a) NOR-AND (b) NOR-OR (c) NOR-NAND (d) NOR-XOR (e) NAND-AND (f ) NAND-OR (g) NAND-NOR (h) NAND-XOR

You are performing an information system audit to evaluate internal controls in Aardvark Wholesalers' (AW) computer system. From an AW manual, you have obtained the following job descriptions for key personnel:

Director of information systems: Responsible for defining the mission of the information systems division and for planning, staffing, and managing the IS department. Manager of systems development and programming: Reports to director of information systems. Responsible for managing the systems analysts and programmers who design, program, test, implement, and maintain the data processing systems. Also responsible for establishing and monitoring documentation standards.

Manager of operations: Reports to director of information systems. Responsible for management of computer center operations, enforcement of processing standards, and systems programming, including implementation of operating system upgrades.

Data entry supervisor: Reports to manager of operations. Responsible for supervision of data entry operations and monitoring data preparation standards.

Operations supervisor: Reports to manager of operations. Responsible for supervision of computer operations staff and monitoring processing standards.

Data control clerk: Reports to manager of operations. Responsible for logging and distributing computer input and output, monitoring source data control procedures, and custody of programs and data files.

a. Prepare an organizational chart for AW's information systems division.

a. Reviewing What happens to chemical energy during a chemical change? b. Relating Cause and Effect What are the two main forms of energy given off when paper burns, and where does the energy come from? c. Sequencing Describe the energy changes that link sunshine to your ability to turn a page in this book.