Find the area of trapezium

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

If a is a nonzero real number then the reciprocal of a is

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set