Please help me out, i will mark your answer (if it’s correct) as a brainiest:)

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?

Ined this is due tomorrow and i dont know the answer can you find all the exponents

Bring the fraction a/a-4 to a denominator of 16-a^2