39. A. A conical-shaped reservoir has a depth of 20 feet and a radius of 10 feet. Water is leaking out so that the surface is falling at the rate of ft/hr. Find the rate, in cubic feet per hour at which water is draining when the water is 8 feet deep. V = r²h 1 4π C. 8π B. 4π (x-e) = (x)\notti si tot andmun lestirs is buil nly D. 16T and foly (28-) A min (8.0.8 (83

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