7) A ship leaves port on a bearing of 280 and travels 7.5 miles. The ship then turns due east and travels 4.1 miles. How far is the ship from port and what is its bearing? 8) In order to get across a river to a dock on time, a boat would have to row 650 upstream at 80km/hr if no current was present. If the current is 25 km/hr, what velocity and direction must the boat travel? 9) An airplane is heading due north at an airspeed of 700 km/h, but there is a wind blowing from the northeast at 60 km/h. a) How many degrees off course will the plane fly? b) What is the plane's speed relative to the ground