3x-7=3(x-3)+2 plz help

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

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

What is the range for 31,39,29,34,37,24,36,33,34,28