What is the height of a cylinder with a volume of 936 pi cubic inches and a diameter of 24 inches?

Use the cylinder volume formula, V = πr²h. The diameter is 24 inches, so the radius is 12 inches; substituting gives 936π = π(12²)h = 144πh. Divide by 144π to get h = 6.5 inches, so the answer is choice B, 6.5 inches.

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