Is (3,-3) a solution of y < -5x + 3?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

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?

Can someone explain to me how to do