Anorthbound train and a southbound train meet each other on parallel tracks heading in opposite directions. the northbound train travels 18 miles per hour faster than the southbound train. after 2 hours, they are 216 miles apart. at what speeds are the two trains traveling?

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.