Change to an improper fraction 4 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?

(05.02)how many triangles can be made if two sides are 4 inches and the angle between them is 90°? 1 , 2, more than 2, or none

[tex]a + (3a - 2b) - (4a - 3b)[/tex]whats the answer to this ? ?