Answer:
The difference of squares is (a - b)(a + b) = a² - b². Since a = x and b = 2, the answer is x² - 4.
 
        
                    
             
        
        
        
Answer:
20
Step-by-step explanation:
Area=base times height
Base=4 cm, height=5
4 x 5 =20
Answer: 20cm^2
 
        
                    
             
        
        
        
Answer:
12.3-7.9x
Step-by-step explanation:
8.9+3.4=12.3
-1.4x+(-6.5x)=-7.9x
 
        
                    
             
        
        
        
Answer:
ty i went there Dont Have A Miscroft account I Have One but My School Locked it
Step-by-step explanation:
 
        
             
        
        
        
maybe a hundred or a thousand years idk so maybe 500 i dont actually know