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 519 cubic inches and the height is 18 inches, what is the radius? (Use 3.14 for ?, and round your answer to the nearest tenth of an inch.)
A. 2.6 in.
B. 3.0 in.
C. 5.5 in.
D. 5.2 in.
Answer: D
Mathematics
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Determine whether the variation between the indicated quantities is direct or inverse.The radius of a circle and its area.
A. Direct B. Inverse
Mathematics
Graph the inequality.x + 4y < 6
A. 
B. 
C. 
D. 
Mathematics
Use the graph to solve the equation or inequality. If appropriate, write your answer in interval notation.y1 = 3
A. -3, 3 B. 2, -2 C. -2 D. -5, -2
Mathematics
Simplify. Write final answer in radical form when necessary.
A. 
B. 
C. x15
D. x3
Mathematics