Could someone please help me with this assignment? (the 1st image are the directions, the 2nd image are the problems) if you dont have an answer for all of them, its fine, ngl im a little desperate at this point hahah

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

Which two undefined geometric terms always describe figures with no beginning or end?

What is the perimeter of an equilateral triangle if each side is (x+3)?