4x+1/5
I hope this helps! I'm hoping google translated your question properly, I'm native english speaking
¡Espero que esto ayude! Espero que google tradujera tu pregunta correctamente, soy nativo de habla inglesa
        
             
        
        
        
Answer:
46.5
explanation 
6.022*10^23 molecules=40g. 
7.00*10^23=40*7.00*10^23/6.022*10^23 g =46.5 g
 
        
             
        
        
        
Multiply 14 to each term: 14a+70+84b
        
                    
             
        
        
        
It should be B because is a minus is in front of something that is a negative they change to be positive
        
             
        
        
        
Answer:
a right cylinder with a radius of 7 inches