Aclass went on a field trip to see a play. adult tickets cost $18 each and student tickets cost $12 each. there were 10 more students than adults that went to the play. if the trip cost $240 in all, how many adults and students went to see the play?

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

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 value of y will make the inequality y< -1 false?