Which set of three side lengths can be used to make a right triangle?
39, 49, 59
39, 41, 45
39, 80, 89
39, 49, 59

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