The number line is a closed circle because the circle at the ends are not shaded in. A closed circle to the right means greater than. (>) A closed circle to the left means less than. (<)
        
             
        
        
        
Answer:
good luck dont ty to get it wrong 
 
        
                    
             
        
        
        
No you can't simplify it.
        
                    
             
        
        
        
Multiplying the two together, you get an equation such as
-6x^4 - 12x^3 +33x^2 +12x -27. 
 
        
                    
             
        
        
        
Answer:
7
Step-by-step explanation:
20 x 7 = 140