You would take random numbers preferable smaller ones such as -1,0,1,2 
You would put those in the place of x 
Then you would square the value of x. After that you subtract 4. Whatever you come out with is your y value. Then you put the x value on the x axis and from that point count up or down to the number you need on the y axis. Together that would be your point
        
             
        
        
        
Answer:
16.2
Step-by-step explanation:
12*1.35=16.2
(can I get brainliest pls)
 
        
             
        
        
        
That number is divisible by 6.
        
             
        
        
        
Answer:
2.2
Step-by-step explanation:
4.4 + -2.2 = 2.2
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 aline it like that then do 6×0 then put that answer ,you know what I'm jut going to show you.                                       60×
                                                            16
                                                            360                    
                                                             600    
                                                              ↑then add 360 and 600 and that's all. Sorry that the numbers look all funny.