Idont know how to do this problem

Answer question above and explain each step : )

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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?