What are the differences between the service staff and food preparation positions?

Of the 168 hours in a week as a full time student you should spend how many hours per week on school work?

What are the five categories of my plate

Asoccer team has played 25 games and has won 60% of the games it has played. what is the minimum number of additional games the team must win in order to finish the season winning 80% of the games it has played?