The ordered pairs(1,4)(3,12)(5,20) represents the distance that jairo walks after x seconds. plot the ordered pairs on the coordinate plane and draw a line through the points. find the slope of the line and explain what the slope represents

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? 0.62 0.78 0.84 0.96