which equation represents a parabola opening to the right with a vertex at the origin and a focus at (9,0)?

Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

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