Simplify.
A. 4x
B. 16x
C. 16x
D. 4x2
Answer: A
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Perform the indicated operations.( 7x2y - 2xy2 + 2xy - 5) + ( -3x2y - 8xy2 + 5xy + 8)
A. 5x2y2 - 13 B. 4x2y - 10xy2 + 7xy + 3 C. 10x2y - 9xy2 + 8xy + 13 D. -4x2y + 10xy2 + 7xy + 3
Solve the problem. Use ? ? 3.14, as needed. For the target shown below, find the probability of hitting the shaded area. Assume that each point on the target is equally as likely to be hit.
A. 
B. 
C. 
D. 
A conveyor is used to lift paper to a shredder. The most efficient operating angle of elevation for the conveyor is 37.6 o. The paper is to be elevated 12.0 m. What length of conveyor is needed? Round your answer to the appropriate number of significant digits.
A. 15.1 m B. 9.5 m C. 19.7 m D. 15.6 m E. 7.3 m
Solve the problem.The regular price of a ring is $752.50. During a May jewelry sale, the ring was discounted 30%. What was the sale price of the ring?
A. $224.75 B. $225.75 C. $526.75 D. $525.75