Answer:No it's not an exponential equation in which f(x)is not qualified to an exponential number. no number from 1 - 20 can be used and get subtracted by 2 to give a square number.
eg-
4×2-2≠ square number
Step-by-step explanation:
 
        
             
        
        
        
I'm kind of thrown off for that negative sign, but I try it out in the one that makes sense is this one [ https://gyazo.com/192a76e70d2d46979691cabbf06e6c85 ] If you can better of explain where the negative sign will be great. Hope I helped. 
        
             
        
        
        
Answer:
if i am right it yes yes no
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
82%
Step-by-step explanation:
0.82x100=82
=82% 
Hope this helps 
 
        
                    
             
        
        
        
In the given circle, m AB is represented by angle 1 and m BC is represented by angle 2 .
And

And it represents the minor arc AC .
So the correct option is A.