Step-by-step-explanation 
He did on D. 78 m
Jsjskksjmsmsms
        
                    
             
        
        
        
Answer:
A, -475ft
Step-by-step explanation:
 
        
                    
             
        
        
        
The square root of nine is three.
        
                    
             
        
        
        
1-2 = -1
If that's what u mean
        
             
        
        
        
Answer:
4!
Step-by-step explanation:
The answer is not 8, its 4. Just took the test!