What would the answer to this math problem?

27.4-3.2×2

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?

Alogical argument that is presented in graphical form using boxes and arrows is called?

What is always true about a positive integer raised to a negative odd power?