Barry final score is 45 which player had the greater final score

What is the 12th term of b(n)=-4-2(n-1)

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

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?