(20pts) emergency math question are attached picture

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

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

Write as a product: ac^2–ad+c^3–cd–bc^2+bd