What is the algebraic equation 3 times the sum of a number and 7 is 2 less than five times the number

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

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

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up