Solve the problem.A hot-air balloon is rising vertically 11 ft/sec while the wind is blowing horizontally at 6 ft/sec. Find the angle that the balloon makes with the horizontal. Round to the nearest tenth of a degree.
A. 28.6°
B. 61.4°
C. 55.3°
D. 49°
Answer: B
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Add.(-7 + 3x6 + 5x4) + (5x6 + 5x4 - 2)
A. -2x6 + 8x4 + 3 B. 8 + 10x6 - 9x4 C. 8x6 + 10x4 - 9 D. 9x10
Solve the problem.At what points on the graph of f(x) = 2x3 - 6x2 - 19x is the slope of the tangent line -1?
A. (3, -57), (1, -23) B. (3, -57), (-1, 11) C. (0, 0), (-1, 11) D. (-3, -51), (-57, -23)
Find the probability. Round to the nearest ten-thousandth when necessary.A bag contains 6 cherry, 3 orange, and 2 lemon candies. You reach in and take 3 pieces of candy at random. What is the probability that you have at least 1 lemon candy?
A. 0.5758 B. 0.1515 C. 0.4909 D. 0.3362
Solve the problem.Five men recorded their average time to run a mile. The results are shown in the bar graph below. Times are in minutes. How much faster is Randy's average time than Graham's? 
A. 0.36 min B. 0.66 min C. 1.13 min D. 0.56 min