Evaluate the expression.(-7)2
A. -14
B. -49
C. 14
D. 49
Answer: D
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Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations.The five sales people at Southwest Appliances earned commissions last year of 
and $32,000. Find the mean commission.
A. $27,550 B. $29,000 C. $31,900 D. $30,450
Solve the problem by integration.Find the volume generated by revolving the first-quadrant area bounded by 
and 
about the 
A. 
?
B. 
?
C. 
?
D. 
?
Graph the solution of the system of linear inequalities.
A. 
B. 
C. 
D. 
Solve the problem.A small farm field is a square measuring 320 ft on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter?
A. 640 ft, 2560 ft B. 320 ft, 1280 ft C. 1280 ft, 2560 ft D. 640 ft, 1280 ft