Answer:
yes
Step-by-step explanation:
half of x which is 4 = y which is 2
you keep doing that with the rest of the xs and ys
 
        
             
        
        
        
Answer:
the value of 8 in the first one is 8
in the second one is 80
 
        
             
        
        
        
Answer:
The answer is "The threat to internal validity is mortality".
Step-by-step explanation:
It signifies that while in terms of your study, persons were "morning." It usually signifies when people leave the studies. There will be only likely if indeed the experiment lasts a long period that it'll be a substantial danger to validity and reliability because the chance for drops increases. Eight content validity risks are history, maturity, instrument, test, choice, average regress, human engagement, and mortality.
 
        
             
        
        
        
Answer:
The first term is:
Step-by-step explanation:
The arithmetic sequence is defined by

where
 is the first term
 is the first term
 is the common difference
 is the common difference
as 
the 17th term of an arithmetic sequence is 51.
i.e. 
so

 
        
 ∵
         ∵  ,
,  ,
 , 
 ∵
                   ∵ 

Therefore, the first term is: