Answer:
Please, see the attached files
Step-by-step explanation:
Please, see the attached files.
Thanks.
 
        
                    
             
        
        
        
Cannot be determined. 
Area or perimeter should be provided to calculate the lenght but its not.
        
             
        
        
        
Answer:
8x-20
Step-by-step explanation:
Distribute:
=(6)(2x)+(6)(−3)+(−2)(2x)+(−2)(1)
=12x+−18+−4x+−2
Combine Like Terms:
=12x+−18+−4x+−2
=(12x+−4x)+(−18+−2)
=8x+−20
Answer:
=8x−20