Which is the correct definition of a function

Which property is illustrated by the statement given below? raj raj.

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?

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?