During a high school football game, every spectator placed his or her ticket stub into one of several containers. After the game, the coach chose four people to march in the victory parade. What is the sample in this situation?

Three children each had the same amount of money in their savings account. one of the children withdrew three quarters of her moneyand spent it all on a $100 sports jersey. what was the total amount of money originally in the accounts?

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.