25 take away the square of a number makes 9. What could the numbers be?

The letter tiles shown below are in a bag. whiteout looking i am going to draw one tile. what are my chances of drawing g?

How to do this , and can some one explain

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?