Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 
- 
Answer: A
Mathematics
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For the point given in rectangular coordinates, find equivalent polar coordinates 
for 
and 
(0, -9)
A. (9, 180°) B. (-9, 0°) C. (9, 90°) D. (9, 270°)
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Factor.125 - 8y3
A. (125 - 2y)(1 + 10y + 4y2) B. (5 - 2y)(25 + 4y2) C. (5 - 2y)(25 + 10y + 4y2) D. (5 + 2y)(25 - 10y + 4y2)
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Find the sum without the use of a number line.-14.9 + 7.5 + (-20.7)
A. 13.3 B. 43.1 C. 1.7 D. -28.1
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Solve.The width of a rectangle is 6 kilometers less than twice its length. If its area is 176 square kilometers, find the dimensions of the rectangle.
A. length = 8 km, width = 10 km
B. length = 11 km, width = 16 km
C. width = 11 km, length = 16 km
D. length = 3 km, width = 
km
Mathematics