Created by StemPy LabA ray of light leaves , strikes the -axis, and then passes through . At what height does it strike the -axis?
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← The line 3x + y + 4 = 0 is a mirror. What is the x-coordinate of the image of the point (5, 1) in it?A garden has a right angle at the origin of a map. A fence 12 m long runs along the x-axis, and a fence 9 m long runs along the y-axis. A third fence joins their ends. A pond sits at the centre of the largest circle that fits inside the garden. How far is the pond from the y-axis? →
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