Solve the problem.The perimeter of a rectangle is six times the width. If the length were increased by 4 inches and the width by 7 inches, the perimeter would be 160 inches. What is the width?
A. 23 in.
B. 69 in.
C. 138 in.
D. 46 in.
Answer: A
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Evaluate the integral.
A. 
tan2x - 7 ln
+ C or 
tan2x + 7 ln
+ C
B. 
sec2x - ln
+ C or 
tan2x - ln
+ C
C. 5 sec2x + 7 ln
+ C or 5 tan2x + 7 ln
+ C
D. 
sec2x - 7 ln
+ C or 
tan2x - 7 ln
+ C
Solve the problem.Shown is the image of a figure under the two successive translations that take P to P' and then P' to P''. Find the original figure. Note again, the given figure is the image after translation. Hint: First find the final image of a point if it were translated by both translations. Then what happens in the reverse process?
A. 
B. 
C. 
D. 
Factor when possible.6x3 - 6
A. 6(x3 - 1) B. 6(x + 1)(x2 - x + 1) C. 6(x - 1)(x2 + x + 1) D. Prime
Solve the rational equation. If there is no solution, state this as your answer.
+ 
= 
A. {8, 1} B. {1} C. {-8, 1} D. {-8, -1}