Which equation shows a valid step in solving :

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

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?

Find the root(s) of f (x) = (x- 6)2(x + 2)2.