4) Suppose you and a friend are test driving a new car. You drove out of the dealership and go 10 miles east, and then 8 miles south.

4) Suppose you and a friend are test driving a new car. You drove out of the dealership and go 10 miles east, and then 8 miles south. Then, your friend drives 8 miles west, and 6 miles north, where you run out of gas. If you had the dealer's homing pigeon in the car, how far does it fly to get back to the dealership so that a tow truck can be sent?