In the formula for volume of a right cone, solve for the variable k: V = 1/3 * pi * r ^ 2 * h Note: In this formula, V is volume, h is height, and r is radius of the base of the cone

A. h = (3r ^ 2 * V)/pi
B. h = (3V)/(pi * r ^ 2)
C. h = (3pi * V)/(r ^ 2)
D. h = v/(3pi * r ^ 2)