Rewrite 2-4 as an addition equation

Which graph has a rate of change of zero

What is the solution to the division problem below x3+x2-11x+4/x+4

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.