Solve.Ming got a 6% raise in her salary from last year. This year she is earning $50,880. How much did she make last year?
A. $305,280
B. $8480
C. $48,000
D. $2880
Answer: C
Mathematics
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Evaluate the integral.
A. 
sin 3t - 
cos 13t + C
B. 
sin 3t + 
sin 13t + C
C. 
sin 8t - 
sin 5t + C
D. 
sin 3t - 
sin 13t + C
Mathematics
Solve the problem.A musician plans to perform 5 selections for a concert. If he can choose from 7 different selections, how many ways can he arrange his program?
A. 21 B. 35 C. 16,807 D. 2520
Mathematics
Solve.A set of chairs costs $218. The sales tax is $19.62. What is the sales tax rate and what is the total price paid?
A. 10%, $237.62 B. 9%, $237.62 C. 0.9%, $237.62 D. 11%, $237.62
Mathematics
Find the expected value for the random variable x having this probability function.
A. 95.5 B. 104.5 C. 95 D. 85.5
Mathematics