Answer:
https://www.khanacademy.org/
Step-by-step explanation:
I am not entirely sure what you mean however if you sign up for this website and go to whichever grade level you need you can practice all you want
 
        
             
        
        
        
Did you mean 9 - 20 will if u did it equals up to -11
        
             
        
        
        
Answer:
Points are given corresponding to (-8,0) and (0,-11), and you want line's equation in the form y=mx+b. Understand, you already have b=-11. If you too understand ...
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Hi I hope you have a wonderful day!!
Step-by-step explanation:
I hope this makes your day :))!
 
        
             
        
        
        
Answer:
a= 
 
b= 
 
Step-by-step explanation:
Here  is like the
 is like the  in the general formula.
 in the general formula.
So we can write  as:
 as:
 
 
We can also write  as:
 as:
 
 
Therefore:
a³= 
 
b²=