What is the value of y?

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Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?