Simplify.6 + (-20) - (-3)
A. -17
B. 23
C. 11
D. -11
Answer: D
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 5y - y2 and the y-axis about the x-axis
A. 
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B. 
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C. 
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D. 
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Use the two steps for solving a linear programming problem to solve the problem.An office manager needs to buy new filing cabinets. Cabinet A costs $7, takes up 7 square feet of floor space, and holds 7 cubic feet of files. Cabinet B costs $8, takes up 10 square feet, and holds 15 cubic feet. He has only $94 to spend and the office has room for no more than 100 square feet of cabinets. He wants to have at least one of each type of cabinet. How many of each can he buy to maximize storage capacity?
A. 0 cabinet A and 13 cabinet B B. 10 cabinet A and 3 cabinet B C. 13 cabinet A and 0 cabinet B D. 3 cabinet A and 10 cabinet B
A delivery truck must deliver furniture to 4 different locations (A, B, C, and D). The trip must start and end at A. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
The nearest-neighbor tour starting with vertex A is given by:
A. A, B, D, C, A. B. A, C, B, D, A. C. A, D, B, C, A. D. A, D, C, B, A. E. none of these
Use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.
A. 12,248 B. 12,425 C. 12,603 D. 12,420