4. I think 4 is 128
16x16=256 and divide that by 2 and its 128
        
             
        
        
        
Assuming that their exam success is independent then
P(both fail) = 1/4 x 2/5 = 2/20 or 1/10
        
             
        
        
        
The first answer, answer A. It's easy.
        
             
        
        
        
Answer:

Step-by-step explanation:

 
        
             
        
        
        
Answer:
lenght is 6
Step-by-step explanation:
i think so
HOPE IT HELPS!!!