Express the sum without using summation notation.
A. 9 + 18 + 27 + 36 + 45
B. 4 + 4 + 4 + 4 + 4
C. 1 + 2 + 3 + 4 + 5
D. 9 + 45
Answer: A
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A. (16, 16)
B. (8
, 8)
C. (8
, 8
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D. (16
, 16
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A delivery truck must deliver packages to 6 different store locations (A, B, C, D, E, and F). 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 repetitive nearest-neighbor tour starting with vertex A is given by:
A. A, D, F, E, C, B, A. B. A, E, F, C, B, D, A. C. A, C, D, B, E, F, A. D. A, B, C, D, E, F, A. E. none of these
Multiply and simplify.18 
A. 
B. -162
C. -2
D. 2
Answer the question.In how many ways can you answer the questions on an exam that consists of 10 multiple choice questions, each of which has 4 answer choices, followed by 7 true-false questions?
A. 134,205,278 B. 134,217,728 C. 134,800,833 D. 134,342,558