Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300
B. $0.60
C. $1
D. $100
Answer: B
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Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 16 cos 2t, v(0) = 9, s(0) = -11
A. s = 4 cos 2t - 9t - 7 B. s = 4 sin 2t + 9t - 7 C. s = - 4 sin 2t + 9t - 7 D. s = - 4 cos 2t + 9t - 7
Divide.
A. 294 B. 314 R 21 C. 309 R 13 D. 304
Solve the problem.The following graph shows the stock price of a new internet company over the first 18 months after the initial public offering of its stock.
MonthHow many months was the stock price $40 during the initial 18 month period?
A. 4 months B. 2 months C. 1 month D. 3 months
Solve the following application involving ordered pairs. State your answer as an ordered pair and in words.A plumber charges a base fee of $29 plus $38 per hour of labor. The total cost C for a job that requires t hours of labor is modeled by the following equation: 
If Malia has budgeted $409 for a job, how many hours of labor can she afford?
A. (17, 409); If Malia has budgeted $409, she can afford 17 hours of labor. B. (10, 409); If Malia has budgeted $409, she can afford 10 hours of labor. C. (1, 409); If Malia has budgeted $409, she can afford 1 hour of labor. D. (21, 409); If Malia has budgeted $409, she can afford 21 hours of labor.