In the diagram of trapezoid ABCD below, AB || DC, AD ~=BC, m_A = 4x+ 20, and mC – 3x-15,
What is mD?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

You spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.

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.