Graphing how can graphing solve a problem involving ratios

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?

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew