Assume the following pattern with terms built of square tile figures continues and complete parts a through c belov 8 a How many square tiles are there in the eighth figure b How many square tiles are in the nth figure O A The figures do not appear to follow any predictable pattern OB There are 3n square tiles in the nth figure OC There are 3n 1 square tiles in the nth figure There are 3n 1 square tiles in the nth figure AD