The answer is 12! 
Hope this helps! :D
------The answers got taken down :(------
 
        
             
        
        
        
There are 30 days in April, so if you randomly pick a date in April there are 30 equally likely outcomes
        
             
        
        
        
approx 1 foot
The area (A) of a circle = πr² ( where r is the radius)
thus r² = A/π ⇒ r = √(A/π = √(3.21/π) =1.0108..... ≈ 1 foot ( to 1 dec. place)