Cynthia downloaded some songs from the internet. Brenda downloaded 18 songs, which was three times as many as Cynthia. How many songs did both girls download together?

Multiply. −2x(6 x 4 −7 x 2 +x−5) express the answer in standard form. enter your answer in the box.

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.

Write and solve a real word problem that involves determining distance on a coordinate plane