7to the third power(3-19+8)÷4 can some one solve this for me im

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?

Which expression is equivalent to the expression shown?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl