Answer:
B
Step-by-step explanation:
 
        
             
        
        
        
Answer:
3rd Option I think-
Step-by-step explanation:
 
        
             
        
        
        
The pattern is to divide by 3
486 ÷ 3 = 162
162 ÷ 3 = 54
  54 ÷ 3 = 18
  18 ÷ 3 = 6
The next number is 6
        
                    
             
        
        
        
33 percent. 
7/21 = 0.3333333
        
                    
             
        
        
        
Answer:
288
Step-by-step explanation:
2/x = 576
you have to make the x by itself so you would have to multiply 1/2 to 2/x for the first part
then you would carry the 1/2 over to 576 and multiply that by 1/2 
the answer would become x = 288