Solve the problem.For a school project, Sue interviewed a total of 100 persons who were either lawyers or salesmen. She asked them if they were happy or unhappy with their occupation. Of the 56 lawyers interviewed, 14 were unhappy, however, only 8 of the salesmen were unhappy. Suppose that one of the persons interviewed is selected at random. Find the probability that the person selected is a salesman.
A. 0.51
B. 0.44
C. 0.4
D. 0.36
Answer: B
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Solve the inequality. Graph the solution set and write it in interval notation.
(x + 3) > 
(5x + 4)
A. 
B. 
C. 
D. 
Solve the problem.Don runs a charity fruit sale, selling boxes of oranges for $11 and boxes of grapefruit for $10. If he sold a total of 762 boxes and his total income was $8125, how many boxes of oranges did he sell?
A. 383 boxes B. 458 boxes C. 257 boxes D. 505 boxes
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies directly with x. When x = 0.7, then y = 3.5.
A. k = 2.8; y = x + 2.8 B. k = 0.2; y = 0.2x C. k = 0.7; y = 0.7x D. k = 5; y = 5x
Find the sum of the infinite geometric series.6 - 2 + 
- 
+ . . .
A. S = 5
B. S = 4
C. S = 
D. S = 