For each situation below, identify whether it is a permutation or a combination problem and then find the answer. Blank #1 how many different groups of three people can make from a class of 28 students? Answer as a list with P or C as the first item in the list and the answer to the question as the second item in the list with a comma in between and no extra spaces. for example, a valid answer might look like P, 560 or C, 230 Blank #2 how many four person committees of president, vice president, secretary, and treasurer can be chosen from 45 students in a student Senate? Answer as a list with a P or C as the first item in the list and the answer to the question as the second item in the list with a comma in between and no extra spaces. For example a valid answer might look like P, 560 or C, 230