I'm very stuck right now > .<

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.

Hello, i need compare km^2 and km. what's difference in this?

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36