A painting 40 cm long and 28 cm wide is painted on a cardboard such that there is a margin 2 cm along each of ita sides. Find the total area of the margin. Show in steps

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