Which algebraic expression represents the phrase 14 increased by a number

Place the following steps in order to complete the square and solve the quadratic equation,

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

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?