Six points are put on a segment 23 cm long (including the end points of the segment). This creates 15 different distances between the points, which are, in cm, 2, 3, 5, 6, 7, 8, 9, n, 13, 14, 15, 18, 20, 21 and 23. What is the value of n?

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.