A storage tank will have a circular base of radius r and a height of r. The tank can be either cylindrical or hemispherical (half a sphere). Complete parts (a) through (e) below. 4 a. Write and simplify an expression for the ratio of the volume of the hemispherical tank to its surface area (including the base). For a sphere, V= and SA = 4x What is the volume of the hemispherical tank (including the base)? V = (Simplify your answer Type an exact answer in terms of x) What is the surface area of the hemispherical tank (including the base)? SA = (Simplify your answer. Type an exact answer in terms of x)

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