I dont know the answer to this so i am asking yall guys and girls. which number will make the two fractions equivalent? 6/7=?/21

Q1 which of the following is a factor of a)37 b)53 c)62 d)82 q2) if the sum of 2016 different whole numbers is odd. at most how many of the numbers can be even a)0 b)1 c)2014 d)2015

What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11