Find the product.(2n + 7)(n + 8)
A. n2 + 23n + 56
B. 2n2 + 23n + 56
C. n2 - 23n + 56
D. 2n2 - 23n + 56
Answer: B
Mathematics
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Mathematics
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a. x = 4.88 b. x = 1.62 c. x = 3.91 d. x = 4.07 e. x = 2.15
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Set up an integral for the length of the curve.y = 2 cot x, 
? x ? 
A. 
B. 
C. 
D. 
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Perform the indicated operation. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics