A bag contains 4 blue, 5 green and 2 purple counters. One counter is picked at random. What is the probability that the counter is green or
purple? Give your answer as a fraction.

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?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Complete the synthetic division problem below.what is the quotient in polynomial form 2/16 -16