X = -6/5 I hope this helps 
 
        
             
        
        
        
Answer:
id say A
because its an opened circle, and when its opened its usually not with the little dash and there's no negative number (that i know of)
 
        
                    
             
        
        
        
The third one
U solve from left to right and when two negatives are next to each other it turns to a plus.
        
             
        
        
        
Domain is x values... Y is y values
        
             
        
        
        
There are numerous ways you can do this, but take a look at the attachment to see how I did it. I hope it answers your question! :)