Solve the problem.Two trains leave a train station at the same time. One travels east at 12 miles per hour. The other train travels west at 7 miles per hour. In how many hours will the two trains be 96.9 miles apart?
A. 5.6 hr
B. 2.6 hr
C. 10.2 hr
D. 5.1 hr
Answer: D
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Divide and simplify. Assume variables do not cause any denominators to equal 0.
÷ 3mn
A. 
B. 8mn
C. 
D. 
Solve the rational inequality. Write the solution set in interval notation.
< 0
A. (-?, ?) B. (-?, -4) C. ? D. (-4, 0)
Use the Factor Theorem to determine whether the linear polynomial is a factor of the second polynomial.x - 2; x4 - 10x3 + 35x2 - 50x + 24
A. Yes B. No
Suppose a traveler wanted to visit a museum, an art gallery, and the state capitol building. 45-minute tours are offered at each attraction hourly from 10 a.m. through 3 p.m. (6 different hours). Solve the problem, disregarding travel time.In how many ways could the traveler schedule all three tours in one day, with the museum tour being after noon?
A. 40 B. 30 C. 60 D. 20