Whats the average between these numbers:7.75,7.25,7.33,7.6?

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

Factor the polynomial. b^2 + 4b + 4

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal