Change 3½ days into hours​

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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.