Perform the indicated operation.
? 
A. - 
B. 
C. 
D. - 
Answer: D
Mathematics
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For what values of x does the series converge absolutely?
A. -9 ? x < -7 B. -9 < x ? -7 C. -9 < x < -7 D. -9 ? x ? -7
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Determine the principal value without using a calculator.
A. Not a real number B. 13 C. 12 D. 72
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Solve the problem. Use 3.14 as an approximation for ? where appropriate.A cylindrical drain pipe is 3 inches across the top and about 9 inches high. How many cubic inches of water could it hold (to the nearest hundredth)?
A. 254.34 in.3 B. 63.59 in.3 C. 127.17 in.3 D. 169.56 in.3
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Multiply. 1 ? (-23)
A. -22 B. 23 C. 22 D. -23
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