Solve the problem by integration.Find the volume generated by revolving the first-quadrant area bounded by  and x = 5 about the y-axis.

A. ? ln 12,600
B. 6? ln 
C. 3? ln 12,600
D. 3? ln 


Answer: D

Mathematics

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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1 

A.
B. - 
C. -14
D. -49

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Simplify the expression.5m2 + 4m2

A. 10m2 B. 9m2 C. 10m4 D. 9m4

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Solve the problem.A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 33 marbles in it. At least how many green marbles does it have?

A. At least 17 green marbles B. At least 11 green marbles C. At least 12 green marbles D. At least 22 green marbles

Mathematics

Use the Pythagorean theorem to find the length of the third side of the right triangle. Leave any irrational answers in radical form.

A.
B.
C. 57
D.

Mathematics