The scale factor between two similar shapes is 4. what is the scale factor of area

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Place the following steps in order to complete the square and solve the quadratic equation,