Your profit mowing lawns this week is $24

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Which function has the domain x> -11?

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.