I would really appreciate answer i only have 30 more minutes please :(

Me with this one question, and i'll upvote the brainliest answer

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

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?