The square root of nine is three.
        
                    
             
        
        
        
Answer:
12
Step-by-step explanation:
15 + 14 + 17= 46
58 - 46= 12
hope this helps! xoxo raina
 
        
             
        
        
        
Answer:
5.2%.
Step-by-step explanation:
After 1 hour (60 / 100) * 700 = 420 gallons of beer have been exchanged.
So we have 420 gallons of 6%  and 280 gallons of 4% after 1 hour.
So the strength at that time =  (420* 6) + 280*4) / 700
= 5.2%.
 
        
             
        
        
        
Answer: I'm pretty sure the correct answer is C.