Mary mix white paint and blue paint in the ratio of 2:3.she makes a total of 20liter of paint. How much more blue paint does she need to add the mixture so that the ratio of white paint to blue paint becomes 1:7

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.