How do you solve 0.75 gallons equals many quarts

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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.