Answer:
sorry say nice its out of understand 
 
        
             
        
        
        
Answer:
Quadrilateral
Step-by-step explanation:
The definition of a parallelogram is a quadrilateral that has two sets of parallel sides.
 
        
                    
             
        
        
        
Answer:
 f^-1 (x) = (1 - x)/3.
Step-by-step explanation:
f(x) = -3x + 1
3x = 1 - f(x)
x = (1 - f(x)) / 3
So f^-1 x = (1 - x)/3.
 
        
                    
             
        
        
        
Answer:
4 pencils and 7 erasers
Step-by-step explanation:
36÷9=4
63÷9=7