Does anyone know this answer??

Write 17/20 as a decimal and as a percent.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

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.