Find the center and radius of the circle and sketch its graph.x2 + y2 = 9
A. (h, k) = (0, 0), r = 3
B. (h, k) = (0, 0), r = 3
C. (h, k) = (0, 0), r = 3
D. (h, k) = (0, 0), r = 3
Answer: A
Mathematics
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A. 1.39 B. 1.54 C. 0.89 D. 1.29
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Verify the identity.
= 
What will be an ideal response?
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Multiply and simplify. Write the answer as a mixed number if possible.8
? 1
A. 16
B. 8
C. 12
D. 15
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