Find an equation of the circle with the given center and radius.Center at (10, 0); radius = 7
A. (x - 10)2 + y2 = 49
B. x2 + (y - 10)2 = 7
C. (x + 10)2 + y2 = 49
D. x2 + (y + 10)2 = 7
Answer: A
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