
Let's Solve ~ 





or 


[ it's similar to expression - a² + 2ab + b² that is equal to (a + b)² ]
so, let's use this identity here to factorise :

I hope it was helpful ~
 
        
             
        
        
        
Answer:
about $160
Step-by-step explanation:
$ 40/ for 6 movies = $6.66/movie
$6.66/movie x 24 movies = about $160
 
        
                    
             
        
        
        
Problem A,B,C, and D can be solved using 3*6=18 or 6*3=18
        
                    
             
        
        
        
Answer:
Option in the "bottom left" is correct choice.
Step-by-step explanation:
The volume of a sphere will become 27 times greater if diameter is tripled.