Knowledge and Understanding _: 1. Evaluate the following but show all your steps. Show the formula with Faetorials! ! (a}P(12,12) or Egg; (b) (c) P(13,3) (d}C(30,2) or Egg 2. Answer the following by making use of Factorials and Permutations. How many ways can. . .. (a) 9 people be arranged in a line? (b) 9 people be arranged if the tallest person is in the middle? (c) 9 people be arranged if the Jared and Luke are at either end