6x^3+13x^2+16 is the result.
        
             
        
        
        
Answer:
374.1
Step-by-step explanation:
Area of Hexagon = 
The ' a ' is the side length. 
So now we just plug in the values 
 = 374.12
 = 374.12
 
        
             
        
        
        
Because you are not adding the x's .When you add the coefficients, the variable comes along with it.
        
                    
             
        
        
        
It should be the first one since the x and y cross each other out and leave only =-10
        
             
        
        
        
Answer:
1020 new students per year.
Step-by-step explanation: