A single-cellular living organism.
        
                    
             
        
        
        
I think it is f .............
        
                    
             
        
        
        
I would say the 60 + 20 represents how the shirts cost the same amount. Then I would say the x either represents the cost before tax or how to find the cost of the shirts.
I hope this helps!
Good Luck! 
        
                    
             
        
        
        
Answer:
4x + 19 = -21
Step-by-step explanation:
4(-10) + 19 = -21
-40 + 19 = -21
 
        
             
        
        
        
It is not bigger. 25.879 is bigger by .100