The ratio of blue marbles to white marbles in a bag of 45 at this rate how many blue marbles are there if there are 15 white marbles

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

Extra points! find the missing dimension! need asap

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?