What is the slope of the line in the graph? there is not any answers but I have to enter it

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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.

What is the anwers for 9+2x=5x-3-x