Find the amount or rate of discount and the sale price after the discount. Round money answers to the nearest cent if necessary.Original price: $540 Rate of discount: 25%
A. $67.50, $472.50
B. $129.60, $410.40
C. $135.00, $405.00
D. $140.40, $399.60
Answer: C
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Use a calculator to evaluate the following expression. (Round your answer to three decimal places.)
?
?
A. 863.773 B. 893.773 C. 873.773 D. 3.137 × 1010 E. 883.773
Solve the problem.Find the work done by a force of 10i (newtons) in moving an object along a line from the origin to the point 
(distance in meters).
A. 50.00 joules B. 64.03 joules C. 44.61 joules D. 12.81 joules
Solve the problem.An engine cylinder 15.6 cm deep is being bored such that the radius increases by 
How fast is the volume V of the cylinder changing when the diameter is 
A. 72 cm3/min B. 7.2 cm3/min C. 480 cm3/min D. 17.7 cm3/min
Solve the problem.Photon Lighting Company determines that the supply and demand functions for its most popular lamp are as follows:
and 
, where p is the price. Determine the price for which the supply equals the demand.
A. $93.24 B. $99.24 C. $100.24 D. $96.24