Someone please help!!

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

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags