When building a roof, carpenters put vertical boards every 2 feet along the horizontal baseline. The height of the boards, y, fo
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<h3>Answer: D) Two</h3>
You need the starting point, and another point that helps direct where the ray is aimed. Call these two points A and B.
Saying "Ray AB" means we extend a line through AB such that the line goes forever through B and beyond B, but we do not do the same for point A. The point A is effectively a cliff where no road goes on the other side of it. Check out the diagram below to see what I mean. The arrow means the line goes on forever in that direction.
and
both have a common denominator, so you can combine them into a single fraction:
You cannot simplify this fraction further:
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Answer:
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