If it is a bunch of dots on a graph, then the answer will be the one that has two sets of dots on the same vertical line (the y axis). so if there are two dots right above and below eachother, that graph is the correct answer. 
        
             
        
        
        
Answer:
-0.45 or 9/20
Step-by-step explanation:
 
        
             
        
        
        
It wont be a perfect number
        
             
        
        
        
A - 24!
-21 as its true value is 21
-3 as its true value is 3
if you add them together you get 24!
Hope this helped ^^
        
                    
             
        
        
        
Answer:
B i think
Step-by-step explanation: