12c1 solve the problem

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

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.