Give the center and radius of the circle. Then sketch its graph.(x - 1)2 + (y + 2)2 = 4
A. center (- 1, - 2), r = 2
B. center (- 1, 2), r = 2
C. center (1, 2), r = 2
D. center (1, - 2), r = 2
Answer: D
Mathematics
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A. 
B. (-8, -9)
C. 
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Simplify.- 
A. - 
B. - 
C. 
D. 
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Mathematics