I need X and Y ...plz help

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

Ialready asked this but i never got an answer. will give a high rating and perhaps brainliest. choose the linear inequality that describes the graph. the gray area represents the shaded region. y ≤ –4x – 2 y > –4x – 2 y ≥ –4x – 2 y < 4x – 2