Write the standard form of the equation of the circle. 
A. (x - 4)2 + (y - 6)2 = 2
B. (x + 4)2 + (y + 6)2 = 2
C. (x - 4)2 + (y - 6)2 = 4
D. (x + 4)2 + (y + 6)2 = 4
Answer: C
Mathematics
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