During a baseball game, a batter hits a high pop-up. if the ball remains in the air for 5.05s, how high does it rise? the acceleration of gravity is 9.8m/s^2

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?