Use rational exponents to simplify the radical. If rational exponents appear after simplifying, write the answer in radical notation.
? 
A. 
B. 
C. x
D. 
Answer: B
Mathematics
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Use factoring techniques to solve the equation.-8y2 = 16y
A. 
B. {0, 2}
C. {-2, 0}
D. {-2, 0, 8}
Mathematics
Solve.Twice the difference of 4 and a number is equal to 10. Find the number.
A. 1 B. 2 C. -1 D. -2
Mathematics
Find the polar coordinates of the point. Express the angle in degrees and then in radians, using the smallest possible positive angle.(-2, 0)
A. (2, 90°), 
B. (2, 270°), 
C. (2, 180°), (2, ?)
D. (2, 0°), (2, 2?)
Mathematics
Solve the problem.What will it cost to buy ceiling molding to go around a rectangular room with length 17 ft and width 10 ft? The molding costs $1.71 per linear foot.
A. $46.17 B. $34.20 C. $58.14 D. $92.34
Mathematics