18 . it's increasing by 5 every time so the next one after 23 is 28
        
             
        
        
        
I need the picture. Or i can't see the pic
        
             
        
        
        
Greatest to least
23.72, 23.697, 22.8
hope this helps
23.72 is greater than 23.697 by 0.023
        
                    
             
        
        
        
If the first one is a = 180 - b, and not 180 - 6, then that is correct.
Also, 360 = 2a + 2b is correct