Solve the problem.On a normal week day the vending machines at Green Lake College dispense 1,230 sodas, 450 candy bars, 540 snack items, and 210 cups of coffee. If it takes Jim Lewis six hours to restock the vending machines, how many items does he restock each hour?
A. 405 items
B. 330 items
C. 315 items
D. 810 items
Answer: A
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Find the indicated probability.The table below describes the smoking habits of a group of asthma sufferers.
If one of the 966 subjects is randomly selected, find the probability that the person chosen is a woman given that the person is a light smoker.
A. 0.147 B. 0.076 C. 0.146 D. 0.518
Solve the problem.A ball dropped from the top of a building has a height of s = 576 - 16t2 meters after t seconds. How long does it take the ball to reach the ground? What is the ball's velocity at the moment of impact?
A. 12 sec, -96 m/sec B. 6 sec, 192 m/sec C. 36 sec, -1152 m/sec D. 6 sec, -192 m/sec
Approximate f(x) to four decimal places.f(x) = ex - e-x, x = 6.9
A. 992.2757 B. 0 C. 992.2737 D. 118,505.6058
Factor completely.49x2 - 70xy + 25y2
A. (7x + 5y)2 B. Prime C. (7x - 5y)2 D. (7x - 5y)(7x + 5y)