If you wanted to get a 75% on a test, that had 30 questions. How many questions would you have to get correct. Write a proportion and solve

Trevor and marissa together have 26 t-shirts to sell. if marissa has 6 fewer tshirts that trevor, find hiw many tshirts trevor has. identify the if-than moves in your solution

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

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?