Add 7 and 2 you will get 9, therefore the length of the post is 9.
        
                    
             
        
        
        
U find the surface of the area
        
             
        
        
        
403446 is around 400000 so you round that up in your head.  396755 is close to 400000 so you round that up in your head to.  Then you add them together to get 800000, which you can do in your head. 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
For a uniform distribution we have to:
 for x∈ (a, b)
   for x∈ (a, b)
 for
   for 
 for
   for 
In this case we have to:
a = 25 min and b = 105 min
We want to find:

Then


In this case:

Therefore:



 
        
             
        
        
        
Answer:
Step-by-step explanation:
PN =  HN
 HN