(x^(2))/(4)-y^(2), x^(2)+y^(2)=9 describe insentencesthe least steps that you will do to solve for the two intersections. Need this asap

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

Which shows how to solve the equation 3/4x=6 for x in one step?

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?