Factor out the variable that is raised to the smaller exponent.x-9 - 3x-4
A. x-9(1 + 3x5)
B. x-9(1 + 3x-5)
C. x-9(-1 + 3x5)
D. x-9(1 - 3x5)
Answer: D
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Find the area of the shaded region.
A. 2 B. 2 + 2? C. ? D. 2?
Solve the problem.A power plant is located on a river that is 650 feet wide. To lay a new cable from the plant to a location in a city 1 mile downstream on the opposite side costs $225 per foot across the river and $150 per foot along the land. Suppose that the cable goes from the plant to a point Q on the opposite side that is x feet from the point P directly opposite the plant. Write a function C(x) that gives the cost of laying the cable in terms of the 
A. C(x) = 225
+ 150(1 - x)
B. C(x) = 225
+ 150(5280 - x)
C. C(x) = 225(650 - x) + 150(1 - x)
D. C(x) = 150
+ 225(5280 - x)
Evaluate the expression.-67 + 
+ 54 + 
A. 
B. - 
C. - 
D. - 
Give the meaning of the metric prefix.milli
A. Thousandth B. Thousand C. Ten thousandth D. Ten thousand