Solve the problem.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 9 mi, the distance between the cars was 3 mi more than the distance traveled by the car heading east. How far had the eastbound car traveled?
A. 18 mi
B. 9 mi
C. 15 mi
D. 12 mi
Answer: D
Mathematics
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Find the exact value under the given conditions.Given cos u = - 
, with u in quadrant II, and sin v = 
, with v in quadrant II. Find cot(u + v).
A. 
B. 
C. - 
D. - 
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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 cheapest-link tour starting with vertex A is given by:
A. A, B, C, D, E, A. B. A, C, D, B, E, A. C. A, E, C, D, B, A. D. A, D, B, E, C, A. E. none of these
Mathematics
Give the numerical coefficient of the term.11k2
A. 22 B. 2 C. 11 D. 121
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find AB.
A. 
B. 
C. 
D. 
Mathematics