Solve the problem.The radius, r, of a right circular cone can be found using the formula 
where V is the volume and h is the height. If the volume is 680 cubic inches and the height is 6 inches, what is the radius? (Use 3.14 for ?, and round your answer to the nearest tenth of an inch.)
A. 5.2 in.
B. 6.0 in.
C. 10.9 in.
D. 10.4 in.
Answer: D
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
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Add.-19 + (-22) + (-5) + (-2)
A. -48 B. 0 C. 34 D. -10
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Find any excluded values.
A. -8, 0 B. -8 C. 0, 8 D. 8
Mathematics
Indicate whether the function is one-to-one.{(12, -18), (-12, -18), (20, -8)}
A. Yes B. No
Mathematics