Solve the problem.What is the ratio of the surface areas for a pair of similar hemisphere when the ratio of the radii is 3 : 4?
A. 9 : 16
B. 3 : 4
C. 27 : 64
D. Not enough information given
Answer: A
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Use scientific notation to solve the problem.The national debt of a small country is $7,880,000,000 and the population is 2,183,000. What is the amount of debt per person?
A. $3.61 x 106 B. $36.10 C. $3.61 D. $3.61 x 103
Solve the problem.The Olympic flame at the 1992 Summer Olympics was lit by a flaming arrow. As the arrow moved d feet horizontally from the archer, assume that its height h, in feet, was approximated by the function 
Sketch the graph of the function. Find the maximum height and the distance at which the maximum occurs.
A. 
Maximum height is 61.25 ft;
occurs at a distance of 175 ft.
B. 
Maximum height is 67.55 ft;
occurs at a distance of 175 ft.
C. 
Maximum height is 80.2 ft;
occurs at a distance of 225 ft.
D. 
Maximum height is 55.6 ft;
occurs at a distance of 125 ft.
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 
C. 
D. 
Solve the problem.The Family Fine Arts Center charges $22 per adult and $14 per senior citizen for its performances. On a recent weekend evening when 571 people paid admission, the total receipts were $9,378. How many who paid were senior citizens?
A. 173 senior citizens B. 308 senior citizens C. 398 senior citizens D. 263 senior citizens