Solve the problem.The price of a jacket is decreased by 35% during a sale. Let x represent the price of the jacket before the reduction. Write an expression for the sale price.
A. x - 35
B. 0.65x
C. 0.35x
D. x - 0.35
Answer: B
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Solve the inequality. Graph the solution set and write the solution set in interval notation.(x - 1)(x - 4) ? 0
A. (-?, 1) ? (4, ?)
B. (1, 4)
C. [1, 4]
D. (-?, 1] ? [4, ?)
Divide.2223 ÷ 39
A. 57 R 30 B. 57 C. 58 D. 58 R 29
Solve the problem.The concentration C of a certain drug in a patient's bloodstream is given by 
.a) Find the horizontal asymptote of C(t).b) Using a graphing utility, determine the time at which the concentration is highest.
Fill in the blank(s) with the appropriate word(s).
Solve.Three trains - one eastbound, one westbound, and one northbound - leave a city at the same time. The speed of the northbound train is 10 miles per hour greater than the speed of the eastbound train. After 8 hours, the distance between the westbound train and the eastbound train is 1040 miles. Twice the speed of the westbound train is 70 miles per hour more than the speed of the northbound train. Find the speeds of the three trains.
A. eastbound, 70 mph; westbound, 70 mph; northbound, 80 mph B. eastbound, 50 mph; westbound, 80 mph; northbound, 70 mph C. eastbound, 60 mph; westbound, 70 mph; northbound, 70 mph D. eastbound, 70 mph; westbound, 70 mph; northbound, 60 mph