C. 7. because if you divide the value for the missing term (take 28 for example) and divided it by the value of i (4) you will get 7. (28÷4=7)
According to these numbers, in 2010 the federal debt per capita was $43,888.75. Hope this helps!
The answer is <em>x=17.</em> Since it says that the plot point is the answer to square root 4.1^2 = 16.81 which is closest to 17.
Hope this helps and hope you have a great day and brainiest is always appreciated