Ms. madison directs two choruses. one chorus has 28 students. the other chorus has 36 students. for rehearsals, she wants to divide each chorus into the largest possible egaul groups, with no students left over. how many students will be in each group?

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

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.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.