Can someone solve 1-3 for me

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 solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Select the correct answer and solve for y