Since TSQ and QSR are supplementary, they give 180 when summed. TSQ is 150, so QSR must be 30.
Therefore, you have

 
        
             
        
        
        
Answer:
4
Step-by-step explanation:
Define coefficient:
a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4xy).
Hope this helped.
 
        
             
        
        
        
Answer:
a= 78
Step-by-step explanation:
To solve subtract:
180-102= 78
Hope this helps!
 
        
                    
             
        
        
        
Imagine 2 as 2.0 and add 3.5 and that equals 5.5 add 3.5 equals 9.0.  the anser is no because 5.5 it says equals 9.9 but it makes 9.0