I solved it on paper so it's easier. 
But good luck ! :)
 
        
        
        
The answer would be 34.8 I’m pretty sure
        
                    
             
        
        
        
X= 100° 
180° - 57° = 123
x + 23°= 123°
x = 100°
        
                    
             
        
        
        
Answer:
The correct answer will be "Division".
Step-by-step explanation:
- The procedure represents numerous values requiring something like a conjugate to have been done becomes division, since the denominator conjugate multiplies the numeric values including its quotient to represent the quotient of several complex numbers throughout the standard language.
- It is indeed a method used to separate a set of items across equal proportions.
 
        
             
        
        
        
Answer:
56
Step-by-step explanation:
56