Solve the problem. Round to the nearest cent.The list price of a keyboard is $667. If the series discount offered is 10/15/15, what is the net cost after trade discounts?
A. $400.20
B. $433.72
C. $233.28
D. $266.80
Answer: B
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Translate the problem to a system of equations, then solve using Cramer's Rule.The perimeter of a rectangle is 24 meters. If the width is doubled and the length is tripled, the perimeter is 60 meters. Determine the original width and length.
A. width = 10 m, length = 20 m B. width = 8 m, length = 12 m C. width = 6 m, length = 6 m D. width = 12 m, length = 12 m
Find the product.-6(7p3)
A. -42 + p3 B. -6 + 7p3 C. -42p3 D. -13p3
Solve the problem.A patio has an area of 2m3 + 11m2 + 1m - 35. Find the length if the width is 2m + 5.
A. m3 + 3m2 - 7m B. m2 - 3m + 7 C. m2 + 8m - 7 D. m2 + 3m - 7
Find the inverse of the function.f(x) = 
x + 1
A. f-1(x) = 2x + 2
B. f-1(x) = 
x - 1
C. f-1(x) = 2x - 2
D. f-1(x) = 
x + 2