Simplify the expression.
A. -36
B. 36
C. - 
D. 
Answer: D
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Evaluate the improper integral or state that it is divergent.
A. 1.569 B. -1.569 C. Divergent D. 0.121
Provide an appropriate response.Perform the indicated operation, leaving the answer in lowest terms: 
+ 
=
A. 
B. 
C. 
D. 
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(9x
+ 5
)(9x
- 5
)
A. 486x2 - 25x
B. 81x
- 25
C. 486x2 - 90x
+ 25x
D. 81x
+ 45x
+ 25
A mail truck must deliver packages to 5 different homes (A, B, C, D, and E). 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, C, D, B, E, A. B. A, B, C, D, E, A. C. A, D, B, E, C, A. D. A, E, C, D, B, A. E. none of these