3................................
        
             
        
        
        
Answer:
13
Step-by-step explanation:
Substitute the variables given
w=7 &x=2
3(7)-4(2)
21-8
=13
 
        
                    
             
        
        
        
4x^2+23x-72=
4x(x+8)-9(x+8)=
i got dis 4 yo answer and it is (x+8)(4x-9)
hope dis helped
        
             
        
        
        
Answer:
<h2>I think the answer is C</h2>
Step-by-step explanation:
oh and...you mean one of these.....sorry i just had to... XD  XD