Hi, please help i’m sorry confused:(

Which of the following is the formula for the sequence graphed below

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?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf