How can I tell if an inequality will have a solid boundary line?

How can I tell if an inequality will have a dashed boundary line?

When graphing  $y<\frac{3}{5}x-4$  , you will draw which of the following? Select a type of line and the shading.

When graphing  $y\ge-\frac{2}{7}x+1$  , you will draw which of the following? Select a type of line and the shading.

When graphing  $y<\frac{3}{4}x-5$  , you will draw which of the following? Select a type of line and the shading.

When graphing  $y\ge-\frac{1}{2}x+7$  , you will draw which of the following? Select a type of line and the shading.

Where would you find a solution for

Which inequality describes this graph?