Perform the indicated operation and write the answer in the form 
where a and b are real numbers.(-8 - 6i)(-8 + 6i)
A. 100
B. 64 - 36i2
C. 64 + 36i2
D. 28
Answer: A
Mathematics
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Graph the polar equation.r2 = 66 cos 3?
A. 
B. 
C. 
D. 
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Solve the problem.If (2, -8) is the endpoint of a line segment, and (5, -12) is its midpoint, find the other endpoint.
A. (8, -16) B. (-6, -2) C. (-4, 0) D. (8, -4)
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Solve the problem.The annual precipitation for one city is normally distributed with a mean of 399 inches and a standard deviation of 3.3 inches. In what percentage of years is precipitation in the city between 392.4 inches and 
?
A. 97.5% B. 68% C. 99.8% D. 95%
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Solve and write interval notation for the solution set. Then graph the solution set.-1 < - 
(3x - 1) ? 
A. 
B. 
C. 
D. 
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