Factor out the greatest common factor. Simplify the factors, if possible.25wx - 20wy - 20wz
A. 5(5wx - 4wy - 4wz)
B. 25w(x - 20y - 20z)
C. 5w(5x - 20wy - 20wz)
D. 5w(5x - 4y - 4z)
Answer: D
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Solve the problem.An invoice is received from Westminster Office Machines for $305.30 with terms of 4/11 and dated 
AS OF Mar 1. If a partial payment of $190 is made on Mar 9, find the balance due on the invoice.
A. $107.38 B. $115.30 C. $103.09 D. $197.92
Solve the problem.The normal gasoline mileage of a car is 44 mpg. On a smooth road, its mileage is 12% higher. What is its mileage on a smooth road? Round your answer to the nearest tenth.
A. 44 mpg B. 49.3 mpg C. 50 mpg D. 5.3 mpg
Solve for rate in the problem. Round to the nearest tenth of a percent.$517.58 is % of $58.07.
A. 11.2 B. 8913.0 C. 1.1 D. 891.3
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.41 m = ____ ft
A. 37.6 ft B. 12.5 ft C. 44.7 ft D. 134.5 ft