A. Nick 
B. Natalie 
C. The method Natalie used 
Hope I could help:))
        
                    
             
        
        
        
Answer:
The square root of -1 is i
 
        
                    
             
        
        
        
Answer:
you cant use brainly for tests
Step-by-step explanation:
 
        
             
        
        
        
Answer:
#2, AB is congruent to AD
Step-by-step explanation:
AB is congruent to AD.
since the bottom sides are corresponding, and the middle sides are corresponding, then if the outside sides are corresponding, then CAB is congruent to CAD
 
        
             
        
        
        
B
I need 20 characters lol