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159°

69°

21°

111°

For the equations below which statement is true ? -2x=14 6x=-42

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

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.