Answer:
this copy and paste is to hard to read making it impossible to solve sorry.
Step-by-step explanation:
 
        
             
        
        
        
Just divide the arc the inscribe angle forms by 2.  So 100/2 = 50 = a, and b is 55.
        
                    
             
        
        
        
Answer: 4 terms
Step-by-step explanation:
-4a , 8c, -4b, and 3
 
        
             
        
        
        
Answer:
  =  −
8
Step-by-step explanation: