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|l Note: Round all answers to the nearest tenth if necessary. 1. An airplane flying east at 360 km/h passes over Pearson airport 10 minutes before a second airplane ying south at 480 km/h passes over the same point. Assuming that both airplanes are at the same attitude, at what time is the distance between them a minimum? Round the nal answer to the nearest minute. [5T] 2. A gable window has the form of a rectangle topped by an equilateral triangle, the sides of which are equal to the width of the rectangle. Find the maximum area of the window if the perimeter is 500 cm. [5T]