If the radius of a cylinder is doubled and the height is tripled, what happens to the volume?

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.

X– 4 = 12.5 can be written in words as

Me because i don't understand how to do it.: )