Find the values for x so that the perimeter of this rectangle is no greater than 150 centimeters.
45 cm
x cm
Find the allowed values for x. Do not type any units.
(Type an inequality)

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.

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?

Complete the equation of the live through (-1,6) (7,-2)