Answer the question about traveling salesman problems.The diagram below shows the distances, in miles, between four cities: A, B, C, and D. A businessman must travel between all four cities, starting and ending in his home city, A. He wants to find the optimal tour. In this case, what is the "cost variable"?
A. distance traveled
B. price to travel between cities
C. size of the planes
D. number of cities to go to
E. travel time
Answer: A
Mathematics
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Use reduction formulas to evaluate the integral.
A. 2 sin 4x - 
cos3 4x + C
B. 2 sin 4x + 
sin3 4x + C
C. 8 sin 4x - 
sin3 4x + C
D. 2 sin 4x - 
sin3 4x + C
Mathematics
Perform the indicated operation. Simplify if possible.
+ 
A. - 
B. 
C. 
D. 
Mathematics
Solve the equation.5(y - 6) = 7y - 30
A. -30 B. -60 C. 30 D. 0
Mathematics
Determine whether matrix B is the inverse of matrix A by finding the product AB.A = 
, B = 
A. B = A-1 B. B ? A-1
Mathematics