Free points rights anyways can someone help me with this answer 
A 85-kg is clown is fired from rest out of 480-kg cannon. If the clowns speed is 18 meters per second after the firing, then what is the recoil speed of the cannon? (Round your answer to the nearest tenth)
        
             
        
        
        
Answer:
 
Step-by-step explanation:

Taking square root both sides, we get

Therefore, the values of  are:
 are:

 
        
                    
             
        
        
        
Answer:
B 2 < x < 6
Step-by-step explanation:
six times an integer is between 12 and 36.  Between does not include so we use <   not ≤
 12 < 6x < 36
Divide all sides by 6
12/6 < 6x/6 < 36/6
2 < x < 6