Ineeds someone’s , i really don’t understand this 2-7

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

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Which ordered pair is a solution of the equation? 2x+3y=10