Answer:
b>5
Step-by-step explanation:
*Subtracted 4 from both sides and then divided both sides by 2*

 
        
             
        
        
        
If we set the equation equal to 0, we can factor it to find its roots:
x² + 4x + 4 = 0
(x + 2)(x + 2) = 0
x = -2
This graph has one root, a double root, at -2.  This means that a single point, which must be the vertex of the parabola, touches the x-axis at (-2, 0)
        
             
        
        
        
I think it is 4 dollars per bag of popcorn
        
             
        
        
        
The answer is 80 because 800÷10=80