Answer:well after careful consideration it’s 7
Step-by-step explanation: 1+1+1+1+1+1+1=7
 
        
             
        
        
        
Answer: C
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Part D is correct 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
9: not congruent AB=-8 and CD=10
10: not congruent AC=-3 and BD=5
11: congruent BC=1 and AD=1
 
        
             
        
        
        
5x-7y=14 
-5x -5x
^
Subtract 5x from both sides
-7y=-5x+14
Divide by -7 by all of the numbers
y=-5/7x-2