Decide whether the figure is convex or concave.
A. Convex
B. Concave
Answer: A
Mathematics
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Find the maximum value of 
. Restrict your attention to the horizontal span of 0 to 10. Round your answer to two decimal places.
?
A. 2.50 B. 0.72 C. 4.14 D. 4.42
Mathematics
Solve the problem.Find the eighth term of the arithmetic sequence with first term -5 and common difference 4.
A. -33 B. 27 C. -37 D. 23
Mathematics
Solve the problem.From the edge of a 1000-foot cliff, the angles of depression to two cars in the valley below are 21° and 28°. How far apart are the cars? Round your answers to the nearest 0.1 ft.
A. 724.5 ft B. 724.4 ft C. 714.4 ft D. 713.4 ft
Mathematics
Find the angle 
by using either the table or a calculator. Round your answer to four decimal places.
?
A. 
B. 
C. 
D. 
E. 
Mathematics