What bearing and airspeed are required for a plane to fly 630 miles due north in 3.5 hours if the wind is blowing from a direction of 345° at 11 mph? the plane should fly at mph at a bearing of (round to the nearest integer.)

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?