Lilly can fly her plane 200 miles against the wind in the same time it takes her to fly 300 miles with wind. if the wind blows at 30 miles per hour, find the speed of lilly’s plane in still air.

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick