Plz help i’m on a timed test

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

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.