Pls do both and make sure it's right

7. Find the middle term in the expansion of (x3 2)3. Be sure to simplify your answer. 9- Mr. Delva has a box with 10 Smarties left in it. There are 4 red ones, 4 blue as well as an orange and a green. a) in how many ways can Mr. Delva grab a different handful of Smarties from the box? Assume a handful means anywhere from 'I Smartie to all of them. b) If all 10 Smarties were different colours (so 1 red, 1 blue, 1 orange, etc.) there would be more ways to grab a handful from the box. Show that this is correct by nding the number of different ways. c) Why are there more ways to grab handfuls in part (b)? Explain your thinking