It's c . On the perpendicular bisector of the segment
        
                    
             
        
        
        
The coefficient is 2, since it's the number being multiplied by the variable, x. To further expand this answer, 2 x 1 + 2x. The 2 before the x is the coefficient.
        
             
        
        
        
Answer: 
equation: 41+4x=45.80
answer: x=1.20
Step-by-step explanation: 
 
        
             
        
        
        
18 bytes looked it up online lol