Help its for a gradeee

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?

∆red ≅ ∆ by rule will give brainiest if possible

How can (square root of 25) ^2 be rewritten?