Write the standard form of the equation of the circle whose radius is r and whose center is (h, k).r = 11; (h, k) = (-6, -3)
A. (x - 3)2 + (y - 6)2 = 11
B. (x - 6)2 + (y - 3)2 = 121
C. (x + 3)2 + (y + 6)2 = 11
D. (x + 6)2 + (y + 3)2 = 121
Answer: D
Mathematics
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? 
A. 
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Solve the system of equations by Gauss-Jordan elimination.
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