I am not fully sure about the answer to this question, but I have made a suggestion. It might be D. In my opinion, but if i am wrong i am very sorry. I hope i may have helped.
8 is the median of the following numbers you have placed down
Answer:
Explanation:
The 
th term of an arithmetic sequence is explicitly defined as 
where 
is the first term of the sequence and 
is the the common difference.
From the given first five terms of the sequence we can see that the first term is 
so 
.
The common difference, , can be calculated by 
so we'll find the common difference of the given sequence by letting 
.
Now let's plug everything we know.
