Whoever answers gets brainlist!

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

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

Find the value of x for which line a is parallel to line b