Answer:
x greater than or equal to 12cm^2
Step-by-step explanation:
 
        
             
        
        
        
Answer:
5x+4
Step-by-step explanation:
 
        
                    
             
        
        
        
False because you dont have the full amount of income you need
        
                    
             
        
        
        
If the product is: [(x+1) (x-1)]^2 , the answer is:
 [(x+1) (x-1)]^2 = [x^2-1]^2 = x^4-2x^2+1
        
                    
             
        
        
        
A. 1/2(140-100) = 20
X = 20
B. 4^2 = 3 (x+3)
16 = 3x + 9
X = 7/3