need help showing my work with question below.
triangle PQR and triangle QRS have vertices P(-9,7) Q(4,7), R(4,-3), and S(10-3). what is the area in sq. units, of quadrilateral PQSR which is formed by the two triangles? Answer Is 95...
triangle PQR and triangle QRS have vertices P(-9,7) Q(4,7), R(4,-3), and S(10-3). what is the area in sq. units, of quadrilateral PQSR which is formed by the two triangles? Answer Is 95...

Kunal P.
Gabriella R.
Judith K.