Pls answer this along with ur method

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?