Write an equation that represents the relationship between length L and perimeter P for a rectangle with an area of 24 square inches. it could be a 1 by 24 2 by 12 and etc

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.