Find the missing side of this right triangle

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

The graph of g(x) is a translation of y = which equation represents g(x)?

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?