the width of a rectangle is represented by 2x, and the length is represented by x^2- x+3. write a polynomial that represents the area of the rectangle.

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.