IM DESPERATE I need help with #3. I would like it if you could explain how to do it because there are 2 more that are similar to #3. Thank you!​

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.

3x + 4y = 5 x- 3y = -7 solve by substitution

Find the values of the variables and the lengths of the sides of this kite.