The answer is 14+8.125π units².
        
             
        
        
        
It will be 3 weeks because if you divide 7/2,100 it will become to be 3weeks
 
        
                    
             
        
        
        
Answer:
n = 7
Step-by-step explanation:
3n = 21
n = 7
 
        
                    
             
        
        
        
Answer:
37/8 (fraction) or 4.625 (decimal) or 4 5/8 (mixed number)
Step-by-step explanation:
 
        
             
        
        
        
If the stretch is proportional to the weight, it will satisfy
   weight/(49 cm) = (135 N)/(21 cm)
   weight = (49/21)×135 N
   weight = 315 N
The weight of the fish would be 315 N.