For a brainly plus points and pls explain

Answer:
If the line is dotted, it means inequalities with no lines (less than, <, Greater than <) If the line itself is not dotted, then it is (greater than or equal to, ≥, Less than or equal to, ≤) Now, look at the answers, its not A B Or C, Its D.
And for the shading rules look at this image! :D