V owns a home valued at 75,000. Property in the area is assessed at 80% of its value, and the local tax rate is 32.50 per 1,000. What is the amount of the monthly taxes?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?