The perimeter is all the side lengths added up.
Add up all the side lengths: 
6x - 4 + 6x - 4 + 12x + 3 + 12x + 3 + 14x + 13
Add all like terms.
50x + 11
The answer is C) 50x + 11 units
        
                    
             
        
        
        
Answer:
11 yd
Step-by-step explanation:
44/4 = 11 
A square has four equal sides so you divide the perimeter by four to get your answer of 11
 
        
             
        
        
        
I think b or d are answer ...
        
             
        
        
        
1:2:3:4= 4:8:12:16 
Explanation: 
Add 1,2,3,4 then divide by 40 which gives you 4.
Then put those in the ratios given :)