Point b is between a and c. solve for x, then find ab and ac. show all work for full credit:
ab = 5x + 2
ac = 12x + 7
bc = 26

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