Pls help or i will fail

Which statement about the graph of y = 8(0.25)^2

Ineed if you could explain and give me the answer you! this needs done

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 jame pay at the end?