WHO EVER ANSWERS GETS A BRAIN LIEST

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?

Can someone me do math because i am having a breakdown rn because i don’t get it

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8