Answer:
40 Squared units
Step-by-step explanation:

 
        
             
        
        
        
The width is five feet and the length is seven feet.
        
             
        
        
        
Answer:
140 lb.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
x = 28.06
Step-by-step explanation:
-12.11-10.5=75.6-3.5x
Put all the integers on one side and X on the other.
-12.11 - 10.5 - 75.5 = -3.5x
-98.21 = -3.5x
-98.21/-3.5 = x
x = 28.06