Book Maths Puzzle Time Distance and Speed

If an aircraft pilot wishes to fly to a city that is N20'E of the airport. A wind is blowing at 60KM /hour from the northwest. If the airplane has a cruising speed of 520 km/hour?

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Book Other Question
two consecutive integers are added the square of their sum is 361, what are the integers? How do I solve by graphing
y = 2x;
y = -x + 3