Answer:
The Answer is B.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
57
Step-by-step explanation:
180-123=57 
that line the angle is on is a straight line and a straight line is 180 degrees 
 
        
             
        
        
        
Answer:
<u>x = 5</u>
Step-by-step explanation:
See attached image.
 
        
             
        
        
        
Answer:
m<5= 46 degrees
m<8= 134 degrees
Step-by-step explanation:
m<5: all you need to do is subtract 134 from 180
m<8: m<2 and m<8 have the same angle