Answer:
 I believe that the area of the green square is 9ft²
 
        
                    
             
        
        
        
Answer:
7.39682
Step-by-step explanation:
Even though 7.39682 is its approximate answer, we need to simply it.
The simple form should be 7.4 :D
 
        
             
        
        
        
12z^2 - 7z -12/ 3z^2 + 2z - 8
= (4z+3) (3z -4)/ (z+2)(3z -4)
= (4z + 3)  / (x+2)
Hope this helps