One person can do a certain job in twenty-one minutes, and another person can do the same job in twenty-eight minutes. how many minutes will it take them to do the job together? 6 min 12 min 24 min

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.