In many of the world’s poorest countries, nearly 50 percent of the population is under 15 years of age. If these people are to help improve the productivity of their economies, they must be trained in modern methods of production. In 2000, just over 4 million of the 8.8 million people of Chad were under 15. Explain why it would be difficult for many of these children to be educated and become productive members of a growing economy.

For the underlined phrase or sentence, choose the revision that most improves the writing. A single green tear drops from one eye. $\underline{\text{This poignant design is often reprinted.}}$ A. As a result, this poignant design is often reprinted. B. Because this poignant design beautifully reflects the book's content, it is often reprinted on modern editions. C. Cugat often reprints this poignant design. D. Correct as is

Daniel Perkins is the sole shareholder of Perkins Inc., which is currently under protection of the U.S. bankruptcy court. As a "debtor in possession," he has negotiated the following revised loan agreement with United Bank. Perkins Inc.'s $600,000, 12%, 10-year note was refinanced with a$600,000, 5%, 10-year note.

Instructions

a. What is the accounting nature of this transaction?

b. Prepare the journal entry to record this refinancing.

1. On the books of Perkins Inc.
2. On the books of United Bank.

c. Discuss whether generally accepted accounting principles provide the proper information useful to managers and investors in this situation.

Design an algorithm to convert the change given in quarters, dimes, nickels, and pennies into pennies.

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

Design a brochure that explains information about each biological molecule discussed in this chapter.

Design a conceptmap that compares and contrasts the atomic Ideas proposed by Democritus and John Dalton.

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

Constructing a rain gutter is a design for a rain gutter.

Express the volume $V$ as a function of $\theta$.

Listed below are nine technical accounting terms used in this chapter:

$$\begin{array}{lll}\text { Unrecorded revenue } & \text { Adjusting entries } & \text { Accrued expenses } \\ \text { Book value } & \text { Matching principle } & \text { Accumulated depreciation } \\ \text { Unearned revenue } & \text { Materiality } & \text { Prepaid expenses }\end{array}$$

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.
f. A type of account credited when customers pay in advance for services to be rendered in the future.

Explain the design of the type of gas container shown in the illustrations and graphs in Lesson 3.

The area of the United States is about 6,000,000 square miles. The area of Hawaii is about 11,000 square miles. Use an indirect proof to show that at least one of the fifty states has an area greater than 120,000 square miles.

The first bridge over the Piscataqua River, built in $1794$, was the longest bridge in the world. The modern bridge, completed in $1971$, is not the world's longest, but it is well known for its elegant symmetric design. The bridge connects Kittery, Maine with Portsmouth, New Hampshire.

Does the Piscataqua River Bridge have any lines of symmetry? If so, make a simple sketch of the bridge and draw all of its lines of symmetry.

As part of the Great Plains of the United States, the topography of the state of Kansas is relatively flat. On the other hand, portions of the state of Colorado are mountainous. Describe how the contour interval and the contour lines might vary on topographic maps of these two states.