Will give the brainliest, please help me and correct answers: So I have to work out the area of a parallelogram but I’m confused on which is the base, the height can be inside and outside as well so is 5cm the base while 7cm the height right?

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?