Answer:
A (8,0)  
B (8,8)
C (6,8)
D (6,0)
Step-by-step explanation:
Im pretty sure your can just flip the negative signs for "x" cause your flipping it across the y axis which changes the sign.
 
        
                    
             
        
        
        
Answer:
the slope is 3, because if u ser in the table where's says "x" its going Up by 3
 
        
             
        
        
        
Answer:
I'm assuming you want to know the amount of child and adult tickets sold. 450 student tickets were sol, and 300 adult tickets. 
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.