Evaluate the expression.
A. 1
B. 10
C. 0
D. 5
Answer: B
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Solve.What is 5
% of 81? Round to the nearest hundredth if necessary.
A. 0.04 B. 4.21 C. 42.1 D. 421
Find the area of the triangle.
A. A = 12 m2 B. A = 24 m2 C. A = 44 m2 D. A = 22 m2
Solve the problem.Among all pairs of numbers whose difference is 44, find a pair whose product is as small as possible.
A. 66 and 22 B. -66 and -22 C. 22 and 22 D. -22 and 22
Solve the problem.Trains S and T are both traveling in the same direction. Their distance in miles North of Chicago after x hours are computed by the functions fS and fT, respectively, and their graphs are shown in the figure for 
During what time interval is Train T closer to Chicago than Train S? 
A. always, or x ? 0 B. between 3.3 and 8 hours, or 3.3 < x ? 8 C. between 0 and 3.3 hours, or 0 ? x < 3.3 D. after 3.3 hours, or x > 3.3