Which image shows the line of symmetry?

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

How do i put 3(x+7) in distributive property

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14