Pls help urgently extra points and mark brainlist

How to determine whether two known pairs of points are on the same line.

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?

Which of these triangle pairs can be mapped to each other using a single translation? cof hn