What is the median number of hours volunteered by the students in the survey?
The median number of hours volunteered is hours.

0=x 1=xx 2=xxx 3= 4=x 5=x 6=xxx 7=xx 8=xx

What is the length of the unknown leg in the right triangle ?

How many $20 bills do you need to have to make $280

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.