May I please receive help?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Which of the following is not a subset of {1,2,3}?

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?