The answer is -9-18x 
27−9x−9(x+4)=
27−9x−(9x+36)=
27−9x−9x−36=
Collect like terms.
(27−36)+(−9x−9x)= −9−18x
        
             
        
        
        
Answer:
B.
Step-by-step explanation:
Every answer besides B. has an input that repeats. A function contains inputs that have exactly one output. This means x values cannot have more than one y value.
 
        
             
        
        
        
Answer:
 <em>w = 12 cm  </em>and <em> l = 20 cm</em> 
Step-by-step explanation:
 
        
             
        
        
        
Mmm... I think it is 5/8... I think.
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
first your going to do the least common multiple which is 12 for both then your going to subtract because were trying to find out how many students did there work correctly. so, whatever you do to the denominator you do to the numerator so, its going to be 10/12 - 9/12= 1/12 is your answer.