.28125 lb? I did 16/4.5 and it equals 3.5555, then we did 1/3.5555 then we got .28125 lb 
Not sure what you mean
        
                    
             
        
        
        
Answer:
x=-16
Step-by-step explanation:
Subtract 4 from both sides
x+4-4=-12-4
x=-16
 
        
                    
             
        
        
        
3x+8 
i am pretty sure about that
        
                    
             
        
        
        
Answer 
is there a picture
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
the first one is 3.74 and the second one is 6%
its basic percent subtraction
Step-by-step explanation