Find the angle measures

For the equation below, x is the input and y is the output. y = -4x + 3 if the input is -8, then the output is

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

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.