Solve the problem.If a roll of wallpaper costs $40, how much will 12 rolls cost?
A. $53
B. $52
C. $480
D. $481
Answer: C
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Solve the problem.Find the length of a rectangular lot with a perimeter of 108 meters if the length is 8 meters more than the width. (P = 2L + 2W)
A. 62 m B. 23 m C. 54 m D. 31 m
Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.
-2
A. 
B. 
C. 
D. 
The name of a property is given followed by part of an equation. Complete the equation to the right of the equal sign to illustrate the given property.-5(a + 8) =distributive property
A. -5a + 8 B. -5a + 40 C. -5a - 40 D. -5a - 8
Solve the problem.An airplane travels 400 miles against the wind in 4 hours, and makes the return trip with the same wind in 1 hour(s). Find the speed of the wind.
A. 150 mph B. 400 mph C. 100 mph D. 250 mph