Answer: A
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
In the graph of a circle, we can easily draw a straight vertical line passing through its center. This will hit the top and the bottom of the shape. Since this line hits two points, a circle's graph is not a function. We can also observe the equation of a circle.
 
        
                    
             
        
        
        
Answer:
C
Step-by-step explanation:
blue+green=15 
blue is 5
5 to 15
 
        
                    
             
        
        
        
Answer:
mutipication 
Step-by-step explanation:
 
        
             
        
        
        
You would: 
(4 * 2 - 4) + (3 - 2^2) + (2 * 2^3)
(8 - 4) + (3 - 4) + (16)
4 + -1 + 16 = 19