Find the value of each variable. If your answer is not an integer, write it in simplest radical form with the denominator rationalized

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out