Answer:
The correct answer should be A not 100% sure
 
        
             
        
        
        
Step-by-step explanation:
First multiply 
9w - 18 = - 18
9w = - 18 + 18
9w = 0
w = 0 / 9 = 0
w = 0
 
        
                    
             
        
        
        
Your answer is D 6561 multiply each number 3 and your answer will be this
        
             
        
        
        
Answer:
4 units
Step-by-step explanation:
just took a quiz and got it right