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what is a=4r^3 for r plz its an emergency

 Mar 18, 2020
 #1
avatar+389 
+1

 

 

With the information given I can't find r 

 Mar 18, 2020
 #2
avatar+252 
+1

do you have any other info that might help us solve the problem?

 Mar 18, 2020

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