Answer: Line A has a slope of 3/4 and Line B has a slope of 5/6
Step-by-step explanation: Look at the attachment 
 
        
                    
             
        
        
        
Answer:

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Work Shown:

You could expand terms out and simplify, but I think it's more handy to leave it in this form so you can easily spot the center and radius from a glance.
 
        
                    
             
        
        
        
So basically what you have to do is first identify all of the sides or angles that equal eachother then you can see if you did a side side and side in a row etc, like 44 would be SAS because the vertical angles would be inbetween the two sides. 46 would be SSS because after you make the line in the middle for reflexive property you can see that there are three sides in a row. If this didnt help i recommend looking on Khan Academy
 
        
             
        
        
        
Answer: ...
Step-by-step explanation: