Find the area of the specified region.Inside the lemniscate r2 = a2 sin 2?, a > 0

A. ?a2
B. a2
C.
D. 0

Answer: B

Mathematics

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Evaluate the expression.(-2)0

A. 0 B. 1 C. -2 D. -1

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Solve the problem. First use front end rounding. Then find the exact answer.An assembly line can produce 387 bicycles each hour. At this rate find the number of bicycles produced in 21 hours.

A. Estimate: 8190 bicycles; exact: 8127 bicycles B. Estimate: 8000 bicycles; exact: 8127 bicycles C. Estimate: 8190 bicycles; exact: 7740 bicycles D. Estimate: 156,000 bicycles; exact: 7740 bicycles

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Add as indicated.(-7 + 4n6 - 3n3) + (5n6 - 6n3 + 9)

A. 9 - 9n6 + 2n3 B. 9n6 - 9n3 + 2 C. -2n6 - 2n3 + 6 D. 2n9

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Mathematics

Factor completely. If the polynomial cannot be factored, write "prime."14x2 + 63x - 35

A. 7(2x + 1)(x - 5) B. 7(2x - 1)(x + 5) C. (14x - 7)(x + 5) D. (2x - 1)(7x + 35)

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Mathematics