Find the center (h, k) and the radius r of the circle.x2 + y2 + 14x - 6y + 58 = 9
A. (h, k) = (3, -7), r = 3
B. (h, k) = (7, -3), r = 9
C. (h, k) = (-7, 3), r = 3
D. (h, k) = (-3, 7), r = 9
Answer: C
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