9different coin combinations that equal 76 cents

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?