How do i solve this? functions

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Factor the polynomial by its greatest common monomial factor.