a bookstore sold a total 43 paperback and hardback books. each paperback books costs $4.50, and each hardback book costs $12.00. If the bookstore made a total of $276 in sales for one day, how many paperback books did they sell and show work

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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.

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}