To find the perimeter, you add up all the sides. 
11 + 5 + 13 = 29
29 inches is the perimeter. 
        
             
        
        
        
The answer will be -7
And if you want calculate it here’s this one 4-2-3-6
        
             
        
        
        
Answer:
B. 2x-y = 8
Step-by-step explanation:
First, plug in the points (5,2) into the equation. 5 being x and 2 being y.
Then 2x-y = 8
         2 (5) - (2) = 8
        10 - 2 = 8
         8 = 8
 
        
                    
             
        
        
        
$4s+$10a=$4,500 I’m pretty sure that is right? :)
        
             
        
        
        
Answer:
 do the work
Step-by-step explanation: