Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 5 miles per hour. In how many hours will they be 60 miles apart?
A. 20 hr
B. 8 hr
C. 12 hr
D. 4 hr
Answer: D
Mathematics
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Use the figure to answer the question.This double-bar graph shows the number of male (M) and female (F) athletes at a university over a 
period.
2009201020112012YearWhich year had the smallest number of male athletes?
A. 2011 B. 2012 C. 2010 D. 2009
Mathematics
Solve.-3x + 3(3x - 3) = 1 - 4x
A. - 1
B. 1
C. - 
D. - 4
Mathematics
Evaluate and simplify completely. Write your answer as a mixed number if possible.5 × 5
A. 24
B. 25
C. 25
D. 25
Mathematics
Graph the inequality.x ? 
A. 
B. 
C. 
D. 
Mathematics