In FLAG FOOTBALL, how many players are allowed on the field at one time and what are their positions' names?

Please help, I'm in Australia and Football just ain't as big as it is in some other countries.

2 answers

http://en.wikipedia.org/wiki/Flag_football
A 37 foot long submarine Sanwich is cut in to three piece. the shortest piece is x feet long.the second piece is twice as long as the shortest piece the longest piece is 2 feet longer than four time the lenght of the shortest piece .find the lenght of all three piece ..please have answer