A rectangle has a perimeter of 48 cm. The expression for the area of the rectangle is x^2 + x - 42 Find the area of the rectangle. Show your work!!!

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