Answer:
yes
Step-by-step explanation:
 
        
             
        
        
        
The correct answer is 70mm
        
                    
             
        
        
        
Answer:
-100
Step-by-step explanation: -10^2
 
        
                    
             
        
        
        
Hi im doing this test right now and what is the answer lol
        
             
        
        
        
Answer:
2x²y+(x²y-2xy²) = 3x²y-2xy²
(5xy²-x²y) +3x²y = 5xy²-2x²y
4x²y+(x²y+xy²) = 5x²y+xy²
x²y+(-2xy²-4x²y) = -3x²y-2xy²
Step-by-step explanation: there you go