Equilateral triangle means each angle equals 60 degrees.
60 = 7x - 3
63 = 7x
x = 9 
 
        
             
        
        
        
Answer:a
Step-by-step explanation: avnvgjv
A
 
        
             
        
        
        
I think it’s B and C. They are the same distance away from 0 but, they are on different sides. Therefore, they are opposites.
        
             
        
        
        
What is in the drop down menu????