22/7 is pie just in fraction form which makes it very logical depending on the problem.
        
             
        
        
        
Answer:
Yes The intersection of any two disjoint sets is a null set
if two sets do not have any common element  then their intersection does not have any element Therefore its intersection is a null set
Step-by-step explanation:
 
        
             
        
        
        
20 because radius times height will give you the surface area of the shape
        
                    
             
        
        
        
X^2+8x+19+39/(x-2)
I cant show how to use synthetic unless I attach a file
        
                    
             
        
        
        
1.8 x 10^13
Hope this helps.