Could you explain this for me?

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

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.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?