Write the expression with positive exponents. Then simplify if possible.r-3

A.
B. -r3
C. - 
D. r1/3

Answer: A

Mathematics

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Find the area of the specified region.Inside the lemniscate r2 = 4 sin 2? and outside the circle r = 

A. (3 - ?)
B. (2? + 3)
C. (3 - ? + 6)
D.

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Plot the point.

A.

B.

C.

D.

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Determine the reference angle for the given angle.? = - 

A.
B.
C.
D.

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Solve the problem.Two adjacent parking lots are for sale. The area of the larger parking lot is described as   square feet, where w is the width of the smaller parking lot. Factor to find possible expressions for the dimensions of the larger parking lot. 

A. (20w + 3)(w - 3) B. (5w - 3)(20w + 3) C. (4w - 3)(5w + 3) D. (4w + 3)(5w - 3)

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