Answer:
0.16
Step-by-step explanation:
 
        
             
        
        
        
We can see that the 33 degrees corresponds to angle A (parallel lines) meaning they’re equal.
This means that 33 + 2x = 5x (5x is the exterior angle, so the other two interior angles’ sum must equal to it)
3x = 33
x = 11
        
             
        
        
        
Answer:
Step-by-step explanation:
Please kindly go through the attached file for a step by step approach to the question. 
 
        
             
        
        
        
Answer:
3x+4
Step-by-step explanation:
f(x) = - x+4
Substitute in x=-3x
f(-3x)= - (-3x) + 4 = 3x+4