What is an example of an absolute cell reference?
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Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

All per-unit concepts rely on ratios, meaning, to provide a type of measurement

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.