The radius of a right circular cone is increasing at a rate of 7 inches per minute, and the height is decreasing at a rate of 2 inches per minute. What are the rates of change of the volume and surface area when the radius is 16 inches and the height is 32 inches? (Give your answers correct to 2 decimal places.) v in?/min x in?/min rate of change of the volume 6970.15 rate of change of the surface area

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