Pls help me, algebra 2

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

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Solve for x where 0 equation: cot^2x+2cotx+1=0