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Find the center (h, k) and radius r of the circle with the given equation. x ^ 2 + y ^ 2 + 18x -

Find the center (h, k) and radius r of the circle with the given equation. x ^ 2 + y ^ 2 + 18x - 16y + 145 = 64 O A. (h, k) = (9, - 8) ; r = 64 OB. (h, k) = (8, - 9) r = 8 OC. (h,k)=(-9,8); r = 8 OD. (h, k) = (- 8, 9) ; r = 64

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