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Determine the period of the following graph.

Why do interests rates on loans to be lower in a weak economy than in a strong one

What is the first step of an indirect proof of a number that is divisible by two

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.