Answer:
We have l = 2w and 2l + 2w = 100 inches;
Then 4w + 2w = 100 inches;
6w = 100 inches;
w = 16.6;
l = 3 x 16.6;
l = 49.8 inches;
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
29x+8 is the answer
Step-by-step explanation:
12x-4+17x+8
=12x+17x-4+8
=29x+8 
Hope it will help ^_^
 
        
             
        
        
        
Answer:
9 cows and 25 chicken
Step-by-step explanation:
First two lines
w + k = 34   1
4w + 2k = 86   2
 
 
        
             
        
        
        
Answer:
b = 4
Step-by-step explanation:
5-1=5b-4b
4=b
 
        
                    
             
        
        
        
Answer:
126 degree
Step-by-step explanation:
use alternate angles and linear pair