Idon't understand how to do operations with real numbers. i'm supposed to show how to solve the problem below step by step, but i don't know where to start. i would appreciate anyone who can me understand this! < 3 -5(x-9) + 2(x+3)

40 points to someone who < 3

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.