Question

I have one question left please help me.

Answer 1

the unshaded line means less than or greater than

And the shaded line means greater than or equal to or less than or equal to

Explanation:

the 1st one is greater than

the 2nd one is greater than or equal to

this is greater than or equal to ≥

this is greater than >

HOPE THIS HELPS!!!!!

Answer 2

The filled circle means either 'less than or equal to' or 'greater than or equal to' and the empty circle means 'less than' or 'greater than'.