24 The first term of a sequence is 13. The following terms are found by alternately adding 4 and 6 to the previous term. The first six terms are 13 17 23 27 33 37 (a) Write down the next two terms of the sequence. (b) Write down the value of the term that is closest to 999. (c) Write down the difference between the values of the 91st and 93rd terms. (d) Find the 80th term. (e) The nth term is 203. Find n.