Answer:
Those functions are for a graph.
Step-by-step explanation:
You can compare them by heading to a website like desmos and plugging in each function, I think they even do tables as well. 
These are functions that can be graphed, I assume you know what that is, if not, look it up. 
good luck
 
        
                    
             
        
        
        
10 % = 24
20 % = 2 x 10%
20 % = 48
240 + 48 = 288
hope this helps you
        
                    
             
        
        
        
Answer:
4/9
Step-by-step explanation:
2/9 multiplied by 2 is 4/9 this can not be turned into a mixed number but can stay a fraction
 
        
                    
             
        
        
        
Answer:2 11/24
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
150°
Step-by-step explanation:
180-30=150...............