If $x$ is a real number, find $x^2+2x(5-x)+(5-x)^2$.

Solve 3x-18=2y and 5x-6y=6 by elimination show work

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z