400x to the power of 2 + 480x + 144
        
                    
             
        
        
        
The answer would be 15,120
        
             
        
        
        
Answer:
We don't really have the whole question, but to convert to a decimal, you should divide the numerator by the denominator.
Example:
Convert 5/8 to a decimal.
5 divided by 8 = 0.625
 
        
             
        
        
        
Theres only 3 shapes that can form such regualr tessellations triangle square and regular hexagon so that being said triangle is your answer