Will someone do number 4 and 6 for me ?

Ineed with number 6 , explain how to get 1978

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.

Order the integers from least to greatest. =0 =1 =2 =3 = -3