<h3>
Answer:  21x+14  (choice A)</h3>
Explanation:
Use the distribution rule to multiply the outer 7 by each term inside
- 7 times 3x = 21x
- 7 times 2 = 14
We go from 7(3x+2) to 21x+14
 
        
        
        
I don't speak Spanish but I think that this is what you meant:
80 * 2/5 = 32
so 2/5 of 80 % is 32 % (80/5 * 2)
        
             
        
        
        
Answer:
2x-6
I don't know what you mean by correction, but that's in expression form.