Perform the indicated operation and write the answer in lowest terms. - 
+ 
A. 
B. 1
C. 0
D. undefined
Answer: C
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Determine the order of integration and then evaluate the integral.
A. e49 - 
B. 
C. e49 - 1
D. 7e49 - 350
Find the slope of the line containing the pair of points.(-5, 5), (-1, 5)
A. 0 B. -4 C. 4 D. No slope
Solve the problem.A rectangular piece of cardboard measuring 15 inches by 29 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. For what value of x will the volume be a maximum? If necessary, round to 2 decimal places.
A. 3.15 in. B. 23.04 in. C. 11.52 in. D. 13.79 in.
Find the indicated sum.Find the sum of the first 55 terms of the arithmetic sequence: 2, 4, 6, 8, . . .
A. 112 B. 3135 C. 3080 D. 3086