The volume of a spherical balloon is growing at a rate of 93 cubic inches per minute. Find the rate at which the volume of the balloon is growing when the radius is 33 inches. Round your answer to 2 decimal places. The volume of a sphere is V = 33W? The radius of the balloon is growing by inches per minute. The revenue from the sale of x refrigerators is Mac) = 22503: dollars, and the cost of making at refrigerators is C(33) = 1225 + 1833 + 2332. Find the production level :cthat maximizes the profit