Simplify.

A.
B. -1
C.
D. - 5x


Answer: A

Mathematics

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Find the curvature of the space curve.r(t) = (10 t sin t + 10 cos t)i + 10j + (10t cos t - 10 sin t)k

A. ? = 10t
B. ? = - 
C. ? = 
D. ? = 

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Use the data to make a frequency distribution table.Kevin asked some of his friends how many hours they worked during the previous week at their after-school jobs. Frequency Distribution Table  

What will be an ideal response?

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Solve the absolute value equation.|x + 3| = 6

A. -9, 3 B. -3 C. ? D. 9, 3

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Use half-angle formulas to find the exact value for the following: ? ?

A.
B. ?
C. ?
D. ?
E. ?

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