Determine whether the lines through each pair of points are parallel.(8, 6) and (-10, 2); (-9, 9) and (0, 7)
A. parallel
B. not parallel
Answer: B
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Find Dxy.y = 8 sinh4x
A. 32 cosh3x B. 32 sinh3x cosh x C. 32 sinh3x D. -32 sinh3x cosh x
Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer the question.List the first four multiples of 5x and of 9x
A. 25x, 30x, 35x, 40x; 45x, 54x, 63x, 72x
B. 5, 
, 
, 
; 9, 
, 3, 
C. 5x, 10x, 15x, 20x; 9x, 18x, 27x, 36x
D. 5, 25, 125, 625; 9, 81, 729, 6561
A garbage truck must pick up garbage at 4 different dump sites (A, B, C, and D) as shown in the graph below, starting and ending at A. The numbers on the edges represent distances (in miles) between locations. The truck driver wants to minimize the total length of the trip.
The repetitive nearest-neighbor tour starting with vertex A is given by:
A. A, C, B, D, A. B. A, B, D, C, A. C. A, B, C, D, A. D. A, D, C, B, A. E. none of these