Answer:
A product aimed at an audience of teenagers would show that the product is aimed squarely at the lifestyle needs of teenagers. 
Explanation:
 
        
             
        
        
        
Answer:
The teens
Explanation:
They are the main characters
  
        
                    
             
        
        
        
Number 2 is a simple sentence
3 is a compound sentence because it had And inside it
1 is a complex sentence I think
4 is A
5 is B
6 is C 
7 is A