Solve the problem.A projectile is fired with an initial velocity of 450 feet per second at an angle of 70° with the horizontal. In how many seconds will the projectile reach its maximum altitude? (Round your answer to the nearest tenth of a second.)
A. 21.3 seconds
B. 13.2 seconds
C. 9.8 seconds
D. 18 seconds
Answer: B
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Find the requested probability.A box contains the following mixture of colored marbles: 2 black, 1 red, 2 yellow, and 3 green. What is the probability of drawing, in order, a yellow marble, a red marble, and a black marble if the three marbles are drawn without replacement?
A. 
B. 
C. 
D. 
Solve the problem.In a European cookbook, a recipe requires a mixture for candy to be heated to 
but the cook only has access to a Fahrenheit thermometer. Find the temperature in degrees Fahrenheit that should be used for making this candy. If necessary, round to the nearest tenth of a degree.
A. 327.6°F B. 302°F C. 312.3°F D. 101.1°F
Perform the indicated operation.(-2x2y4)(-5x3y2)
A. 10xy5 B. 10xy6 C. 10x5y6 D. 10x6y5
Use the information given about the angle ? to find the exact value of the indicated trigonometric function.sin ? = 
, 0 < ? < 
Find sin 
.
A. 
B. 
C. 
D. 