Does it look 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?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

3x + 4y = 5 x- 3y = -7 solve by substitution