The two numbers that multiply together to equal -15 and add together to equal -2 are

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Find two numbers if their sum is 91 and the ratio is 6: 7?

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.