Answer:
44 degrees
Step-by-step explanation:
Since they are supplementary, they add up to 180. This means that 
3x - 6 + 54 = 180
Solving,
3x + 48 = 180
subtract 48 from both sides
3x = 132
divide both sides by 3
x = 44 degrees
 
        
             
        
        
        
Answer:
0.55555555
Step-by-step explanation:
 
        
             
        
        
        
Answer:
=(-1,-5)
Step-by-step explanation:
y=X1=4
y=-2x-5-2