Which expression is equivalent to 2x +4

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.

The length of a rectangle is 2 inches more than twice it’s width. if the perimeter of the rectangle is 70 inches, find it’s length and width