Question 13 (5 points) In a race between 18 people, how many ways can the top 5 finishers be arranged? 1,028,160 OO 8,568 742,560 73,440 Question 14 (5 points) Find the exact solution of-x* + 7x+ 5 = 0 by using the Quadratic Formula. -7- 4 29 -7+ 29 -2 -2 O 7- 69 7+ /69 -2 -2 O-7-/50 -7+ 4/50 -2 -2 -7-169 -7+ 69 -2 -2Question 15 (5 points) 9 - 19 12 - 51 O 203 183 169 169 O 13 183 119 119 203 183 169 169 9 19 169 169 Question 16 (5 points) Jeffery surveyed 50 randomly selected workers at a factory. He collected data about the individual output of a worker on an average day. The results are shown using the box-and-whisker plot. 10 20 30 40 50 60 70 80 90 100 What percent of workers have output more than 70 units? O 50% 30% 15% 25%