В състезание по математика могат да участват отбори, състоящи се от двама, трима или четирима ученика, Намерете колко различни отбора мо гат да се сформират от 6 равностойни ученици.

Find the equation using the point (4,8)

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.

Which is f(5) for the function –2x2 + 2x - 3?