4x+24=84 4x=60 x=15 length =27 width = 15
        
             
        
        
        
Answer:
Step-by-step explanation:
The 6x^2 because 6  is not a perfect square.
 
        
                    
             
        
        
        
Answer:
x = (6 - y)÷ 3
Step-by-step explanation:
3x + y = 6
3x = 6 - y
x = 6 - y ÷ 3
 
        
             
        
        
        
Answer:
Any negative number would be a counterexample.
Step-by-step explanation:
Since negative numbers get smaller as you multiply them by a larger number, this would prove this conjecture false.