5x-7x=-8
-2x=8
x=-4
this is how to solve it
2.Alternate Interior angles theorem.
They given angles are alternate and interior when compared to each other, so they are congruent.
3 Vertical angles theorem.
The two angles are vertical angles and are not congruent.
4 Angle-Angle Similarity Postulate.
Because there are two corresponding angles that are congruent they are similar triangles by the angle-anlge similarity postulate.
The area of the rectangle would be 13.5 inches.
The answer would be D....
Usually it's fun when you know what's going on....
