Answer:
3/11
3:11
Step-by-step explanation:
 
        
                    
             
        
        
        
Hey there! 

If he is going to cut it into 5 equal pieces then we need to divide 105 by 5. 
105 ÷ 5 = 21
So, each piece will be 21 feet long. 
Hope this helps! 
 
        
             
        
        
        
Biased estimators are Sample median & sample standard deviation
Unbiased are sample mean sample variance and sample proportion
Neither choice include population mean, standard deviation proportion and variance
Step-by-step explanation:
 
        
             
        
        
        
I think the answer is d. the intersection of the 2 lines