Matrices A+B=C A: 2 4 1 3 x 7 B: -2 5 4 1 2y 3 C: 0 9 5 4 6 10 If -1

Which value of c would make he following expression completely factored? 8x+cy

What are the sotions to the quadratic equation 9x^2=4

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.