Let 
denote sales when a dollars are spent on advertising. We find that s has reached its maximum value. What is the value of 
?
???
A. is positive.
B. is negative.
C. is 0.
D. The value of cannot be determined.
Answer: C
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Use the bar graph to answer the question.The bar graph below shows the number of students by major in the College of Arts and Sciences.
How many students are majoring in Math?
A. 200 students B. 250 students C. 300 students D. 150 students
Find the requested value.Find sin ? if tan ? = - 
and cos ? = 
.
A. 
B. 
C. - 
D. - 
Simplify the expression.
÷ 
- 
A. 
B. 
C. 
D. 
Find the volume specified. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the volume of a tent having the shape of a rectangular solid of length 14 ft, width 14 ft, and height 9 ft topped by a rectangular pyramid of the same width and length with height 7 ft.
A. 3528.0 ft3 B. 457.3 ft3 C. 2221.3 ft3 D. 914.6 ft3