A.) 1
Type it in your calc. to find
        
                    
             
        
        
        
The answer is 2 and two twelfths.
        
                    
             
        
        
        
As We can see that point J is on (-2,5) and L is on (-2,-2)
So we know that distance cannot be in negative,  thus 
Distance between J and L =5+2=7 units 
JL=7 
 
        
             
        
        
        
50° is the answer to your question.
        
                    
             
        
        
        
I'll just take the points thanks XD