What is the simplified expression for 5^4 times 5^3/5^5

Which expression gives you the distance between the points (5,1)and(9,-6)

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

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?