Please can someone help my assignment in math​

What are the steps to solving the inequality 3b + 8 ≥ 14?

Write the following as a base and exponent

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?