The point P(a, b) in the XY-plane is first rotated counterclockwise by 90 degrees around the point (1, 5) and then reflected about the line y= -x. The image of P after these two transformations is at (-6, 3). What is b - a,?

Q: Find b such that (2, -1), (3, 2), and (b, 5) lie on a line.

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Q: a point Q(x2, y2) is on the line segment passing through R(-2,5) and S(4,1). Find the coordinates of…

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A:

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A: Given the equation of line:

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