Find the mean of the list of data.$12.65, $35.20, $27.15,    

A. $12.65
B. $27.15
C. $24.00
D. $20.00

Answer: C

Mathematics

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Evaluate the function at the given values of the variable.f(x) = x2 + 5a. f(-4)b. f(-6)

A. 80, 180 B. -40, -60 C. -3, -7 D. 21, 41

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Mathematics

Provide an appropriate response.Factor completely: y2 - 49

A. (y + 7)(y - 7) B. (y - 7)2 C. (y + 7)2 D. (y - 7)(y - 7)

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Mathematics

Evaluate the integral.

A.  (sin7 x - sin9 x) + C
B.  sin7 x -  sin9 x + C
C.  cos5 x -  cos7 x + C
D.  sin5 x -  cos9 x + C

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Mathematics

Write the rational expression in lowest terms.

A.
B.
C. - 
D.

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Mathematics