An adult and five children rent skates. it costs $4 per adult for skates and a total of $16. what would be the equation?

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.

Ineed to know the answer to this algebra question.

Which graph represents the parent function of y=(x+2)(x-2)