Short side length = x
Medium side = x + 7 
Long side = 5x
Total 49, so
x + x + 7 + 5x = 49
If you combine like terms:
7x + 7 = 49
Subtract 7 from both sides
7x = 42
Divide both sides by 7
x = 6 inches
        
                    
             
        
        
        
Answer:
f jb gfbjfmnb fjb 
Step-by-step explanation:
f bmf bknmf
 
        
             
        
        
        
Step-by-step explanation:
11+11+9 equals 30 just do the math it simple
 
        
             
        
        
        
Answer:
145
Step-by-step explanation:
just use a calculator 
 
        
                    
             
        
        
        
Multiply -12 to each of the terms (make sure to carry the negative!)
-36a - 24b + 12 will be your final answer :)