Afootball team gains 8 yards in one play, then loses 5 yards in the next. what is the team's total yardage for the two plays?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.