Can someone help me???

What point is the projection of q on a) r b) s c) t

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Will possibly give brainliest and a high rating. choose the linear inequality that describes the graph. the gray area represents the shaded region. 4x + y > 4 4x – y ≥ 4 4x + y < 4 4x + y ≥ 4