Perform the indicated operation. Write the result in the form a + bi.Simplify: i37
A. -1
B. -i
C. 1
D. i
Answer: D
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Find the mean.99, 105, 89, 101, 86
A. 96 B. 99 C. 80 D. 105
Evaluate the expression. ? |-4| - |-8| ?
A. -12 B. -4 C. -10 D. 4 E. 32
Find the indicated probability.If a person is randomly selected, find the probability that his or her birthday is not in May. Ignore leap years.
A. 
B. 
C. 
D. 
Translate the problem situation to a system of equations. Do not solve.Ricks Paint Store sells a special shade of pink paint (Ricky's Blush) which can be made from red paint and white paint. The amount of red paint should be three times the amount of white paint. How much of each kind of paint is needed to make 200 gallons of Ricky's Blush?
A. x + y = 200; x = 3y B. x - y = 200; x = 4y C. x - y = 200; x = 3y D. x + y = 200; x = 4y