Which represents the solution set of the inequality 5x-9< 21

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

In angle pqr find the measure of