Please help me i dont understand it and i dont know the answers

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

What dimensions can créate more than one triangle ?

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)