1. Find the value of C(13, 2). A. 78 B. 156 C. 13 D. 66 Hint 2. How many different groups of 3 crayons can be chosen from a box of 64? A. 41,664 B. 43,680 C. 83,328 D. 192 Hint 3. Eight points are located on a circle. How many line segments can be drawn with these points as endpoints? A. 16 B. 28 C. 4 D. 56 Hint 4. There are 20 students in student council. Three of these students are picked to be on a committee to plan the spring dance. Does this represent a combination or a permutation? How many possible committees can be formed? A. combination; 1,140 committees B. combination; 6,840 committees C. permutation; 1,140 committees D. permutation; 6,840 committees Hint 5. There are 23 students in Mr. Blackwell’s science class. Three students are picked to go elementary schools that have students coming to the middle school next year. Each student will go to a different elementary school. Does this represent a combination or a permutation? How many ways can the students be chosen? A. combination; 10,626 ways B. permutation; 1,771 ways C. permutation; 10,626 ways D. combination; 1,771 ways Hint