When supply is higher than the mean price will

What is the best reason for jacinta to have a savings account in addition to a checking account

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Find the distance between (0,5) & (-4,2)