Find the center and radius of the circle.(x - 7)2 + (y + 8)2 = 25
A. (-8, 7), r = 5
B. (-7, 8), r = 25
C. (8, -7), r = 25
D. (7, -8), r = 5
Answer: D
Mathematics
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A. 
B. 
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Solve the problem.The annual revenue and cost functions for a manufacturer of precision gauges are approximately
and 
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Mathematics