Marc is writing statements to prove that the sum of the measures of interior angles of triangle PQR is equal to 180°. Line m is parallel to line n.

Linen
P
450
85°
50°
Line m
Q
R
(not drawn to scale)

Which is a true statement he could write? (6 points)

1) Angle PRQ measures 45°.

2) Angle PQR measures 85°.

3) Angle PQR measures 40°.

4) Angle PRQ measures 50°.

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)