Answer:
It is already rounded
Step-by-step explanation:
 
        
             
        
        
        
Answer:
0.5?
Step-by-step explanation:
 
        
             
        
        
        
Answer:
B
Step-by-step explanation:
when we factor completely, we take a look at what is the biggest common factor of 7x³y⁴ and 7x²y⁵. In this case it is 7x²y⁴. 
7x³y⁴-7x²y⁵ = 7x²y⁴(x-y) which is B.
 
        
             
        
        
        
The answer is 169 ..... I hope this helps :)