Simplify.24 + 26 ? 28

A. 78
B. 1400
C. 652
D. 752

Answer: D

Mathematics

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Let S represent the midpoint between (5, 3) and (-5, -7).  Let T represent the midpoint between (5, 3) and S.  Find the coordinates of T. ?

A. (-2.5, -4.5) B. (0, -2) C. (0, 0.5) D. (2.5, 0.5) E. (2.5, -2)

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Mathematics

Evaluate the numerical value of the formula with the given replacement values.V = B = 21, h = 3

A. V = 7 B. V = 24 C. V = 63 D. V = 21

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Write an equivalent expression by factoring out the greatest common factor.27x9y8 + 63x7y6 + 45x5y2

A. 9(3x9y8 + 7x7y6 + 5x5y2) B. 9x5(3x4y8 + 7x2y6 + 5y2) C. -9x5y2(-3x4y6 + 7x2y4 - 5) D. 9x5y2(3x4y6 + 7x2y4 + 5)

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Mathematics

Find the volume of the solid generated by revolving the region about the y-axis.The region enclosed by x = , 0 ? y ? , x = 0

A.
B. 6?
C.
D. 3?

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Mathematics