Identify which of the following situations does not require order or arrangement. On the spaceprovided before each number, write the word UP if there is no order, and DOWNif there is an order.1....

Identify which of the following situations does not require order or arrangement. On the space provided before each number, write the word UP if there is no order, and DOWN if there is an order. 1. Matching pants and shirts. 2. Selecting 2 songs from 10 choices for an audition piece. 3. Assigning telephone numbers to subscribers. 4. Fixing the schedule of a group of students who must take exactly 8 subjects. 5. Enumerating the subsets of a set.