I have attached the question :)

Option 1: $30 an hour plus a nonrefundable deposit of $50 option 2: $20 an hour plus a nonrefundable deposit of $75 kyle is renting a jetski for the day. if he can rent the jetski in one hour increments, what is the minimum number of hours must he rent the jetski for option 2 to be a better deal then option 1?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

What is the definition of exponential decay?