Multiple Choice Select all the pairs of ratios that form a proportion.
A. one sixth and four over twenty
B. seven ninths and twenty eight over thirty six
C. fourteen over eighteen and twenty one over twenty seven
D. thirty over eighty and six over eighteen

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.