Find an equation for the sphere with the given center and radius.Center (0, 0, 2), radius = 8
A. x2 + y2 + z2 + 4z = 60
B. x2 + y2 + 8 z2 + 4z = 60
C. x2 + y2 + 8 z2 - 4z = 60
D. x2 + y2 + z2 - 4z = 60
Answer: D
Mathematics
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