Answer: -1/2 and 1/3
Step-by-step explanation:
 
        
             
        
        
        
Answer:
No he is not correct. As the answer would be -2/5 = -0.4 and 5/-2 = -2.5 as the answer is also not opposite.
 
        
                    
             
        
        
        
Answer:
x = 7
Step-by-step explanation:
the 2 is doubled so the 3.5 has to be doubled as well
 
        
             
        
        
        
Answer:
i dont know what you are trying to find but i will try my best
Step-by-step explanation:
11² = 9² + 2√10
121 = 81 + 2√10
2√10 ≠ 40