Step-by-step explanation:
B is the correct answer, i know yhos i fif iy on edge
 
        
                    
             
        
        
        
Number of combinations of 5 women from 7  = 7C5 =  7*6 / 2 = 21
for men its 7C4  = 7*6*5 / 3*2 =  35
Total number of ways = 21*35  = 735
        
             
        
        
        
-3(y + 5) + 3(2y + 6)
-3y - 15 + 6y + 18
3y + 3
Answer:
3y + 3
Hope this helps.
        
                    
             
        
        
        
I believe its 1048576/6561<span />