A delivery truck must deliver packages to five different store locations (A, B, C, D, and E). The trip must start and end at D. 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 D is given by:
A. D, C, A, B, E, D.
B. D, B, E, C, A, D.
C. D, A, B, E, C, D.
D. D, E, A, B, C, D.
E. none of these
Answer: C
Mathematics
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Multiply.- 
? 
A. 
B. - 
C. - 
D. 
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Solve the problem.The sum of the ages of Art, Ben, and Cal is 59. Art is 1 year older than Cal and Cal is 1 year younger than Ben. Which of these people were teenagers 7 years ago?
A. Ben B. Art C. Art and Ben D. Art, Ben, and Cal
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Evaluate the given binomial coefficient.
A. 165 B. 1 C. 7920 D. 330
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