Multiply the price of a flash drive by the number he buys:
$12 x 24 = $288 total
 
        
                    
             
        
        
        
You know each side is 9 meters long, meaning it’s a square. To find perimeter, add up all the sides aka. 9+9+9+9=36. To find the area, multiply one side by the other aka. 9x9 = 81.
        
                    
             
        
        
        
Answer:
2bs + b^2, this is the equation to find the surface area. B is base length and s is slant height. 
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
(8x3) -(6÷3)= 24 - 2
=22
Hope it helps ya