Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x + 3 = 4 - 1/4x?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.