Another one of the same

The system of equations graphed below has how many solutions? y = 2x + 2

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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.