Create an equation whose value is 4 but has decimal coefficients

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Which value of c would make he following expression completely factored? 8x+cy

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew