Greatest common factor of 42,6,48

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

Several paint mixtures are made by mixing blue paint and white paint. paint colors blue paint white paint mixture a 5 cups 12 cups mixture b 6 cups 6 cups mixture c 4 cups 12 cups mixture d 5 cups 6 cups which mixture has the highest ratio of blue paint to white paint

The value of x must be greater than what?