Solve the proportion $\frac{x}{5}=\frac{7}{20}$ to determine x .

A) x= $\frac{7}{100}$
B) $x=2$ 7
C) x= - $\frac{7}{100}$
D) x=21
E) x= $\frac{7}{4}$

All F-tests are nondirectional.

Cliff runs a restaurant in a small town known for its theatres and tourist attractions. Cliff charges an average of $18 per meal. He estimates his variable costs to be $6 per meal and fixed costs are $12,000 per month. Cliff has the capacity to serve 2,000 meals per month. What is the break-even point expressed as a percent of capacity?

A) 75%
B) 80%
C) 50%
D) 60%
E) 70%

Calculate the equivalent interest rate (to the nearest 0.01%)

Determine the domain and range of the graph of the function $g(x)=x^3-5$ .

A) The domain is all real numbers x such that $x\ge 0$ . The range is all real numbers y .
B) The domain is all real numbers x such that $x\ge -5$ . The range is all real numbers y .
C) The domain is all real numbers x such that $x\le 0$ . The range is all real numbers y such that $y\ge -5$ .
D) The domain is all real numbers x . The range is all real numbers y such that $y\ge -5$ .
E) The domain is all real numbers x . The range is all real numbers y .

External data may include all of the following except ________.

A) population trends
B) accounts receivables
C) industry performance
D) international trade data