Solve the problem.The perimeter of a rectangle is 66 m. If the width were doubled and the length were increased by 7 m, the perimeter would be 96 m. What are the length and width of the rectangle?
A. width 8 m, length 25 m
B. width 25 m, length 8 m
C. width 11 m, length 16 m
D. width 16 m, length 16 m
Answer: A
Mathematics
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Find the average value of 
over the given region.
over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 25 B. 125 C. 250 D. 1250
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Solve the problems.A wastewater treatment plant processes 613,000 gal/day. Convert this to liters per hour.
A. 96,700 L/h B. 162,000 L/h C. 6,750 L/h D. 9,670 L/h
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Use synthetic division to perform the division.
A. 3x3 + 4x2 - x - 3 + 
B. 3x3 + 4x2 - 2x - 4 + 
C. 3x3 + 4x2 - 2x + 4 + 
D. 3x3 + 4x2 - 2x - 4 + 
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Use common or natural logarithms to solve the exponential equation symbolically.5x = 625
A. x = ln 125
B. x = ln 
C. x = ln 20
D. x = 
Mathematics