A Casserole recipe calls for 4 ounces of cheese. Adrian wants to use 1/2 amount of cheese in his casseroles. How many pounds I’d cheese does he need to make 28 casseroles with his revised recipe?

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas