Find an equation for the sphere with the given center and radius.Center (0, -9, -6), radius = 4
A. x2 + y2 + 4z2 + 18y + 12z = -101
B. x2 + y2 + z2 + 18y - 12z = -101
C. x2 + y2 + z2 + 18y + 12z = -101
D. x2 + y2 + 4z2 + 18y - 12z = -101
Answer: C
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