Diego's aquarium contains 30.5 gallons of water. He drains the water at a rate of 5 gallons per minute for cleaning. Write an equation that will determine in how many minutes the tank will reach 10.5 gallons.​

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.