in how many ways can 44 different novels, 22 different mathematics books, and 11 biology book be arranged on a bookshelf if: (a) The books can be arranged in any order? Your answer is: 7! (b) The mathematics books must be together and the novels must be together?Your answer is: 4! * 5! (c) The mathematics books must be together but the other books can be arranged in any order? Your answer is: 1!