Segment and angle addition postulate. Help I have 1 hour to do this

In what form is the following linear equation written y=9x+2

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.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart