V=(4/3)(pi)(r^3)
r=7
Hope this’ll help 
        
             
        
        
        
Answer: Your equation would be A(J)=.50j + 5
Step-by-step explanation:
 
        
             
        
        
        
Answer:
No it is not 
Step-by-step explanation:
well if you see any number that is could be written as a  fraction is rational. square root of 9 is 3,  but in this case the square root of 2 is irrational, so it is a irrational number.