Help please 10 pts each guaranteed brainliest even if wrong

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?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)