A box contains 6 letters, shown as TRACED . What is the probability of the outcome ARC in that order if letters are drawn one by one (a) with replacement? (b) without replacement? I don't know how to do the second part of the question. I keep getting the problem wrong.

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.