Simplify.

A.
B. 17
C. - 
D.


Answer: A

Mathematics

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Find the volume of the solid generated by revolving the shaded region about the given axis.About the x-axis  

A. 9?
B. ?
C. ?
D. ?

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Graph the set of numbers given in interval notation. Then write an inequality statement in x describing the numbers graphed.[-2, ?)

A. x ? -2

B. x ? -2

C. x > -2

D. x < -2

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Factor out the greatest common factor. Be sure that the coefficient of the term of highest degree is positive.-21a3 + 15a

A. -3(7a3 + 5a) B. -3a(7a2 - 5) C. -3a2(7a - 5) D. -3a(7a2 + 5)

Mathematics

The following expressions represent denominators of rational expressions. Find their LCD.x2 - 8x + 15 and -2x + 10

A. -2(x + 3)(x - 5) B. -2(x - 3)(x + 5) C. -2(x + 3)(x + 5) D. -2(x - 3)(x - 5)

Mathematics