If clearer picture i may help for it is far to dark and clouded to read
        
                    
             
        
        
        
Answer:
11
Step-by-step explanation:
88 ÷ (11 * 2) ÷ 4
88 ÷ 22 ÷ 4 = 11
 
        
                    
             
        
        
        
Supplementary angles because because angle 1 + angle 2 = 180° so they form a line
        
             
        
        
        
Answer:
8
Step-by-step explanation:
-12u and 12u cancel each other out. Leaving 8 by itself.