What point intersects ray PQ?
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What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

Solve this system of equations: y=x2-3x + 12 y=-2x+14 4. substitute the values of x, -1 and 2, into either origina equation to solve for the values of y. what are the solutions of the system of equations?