8h+(-7.3d)-14+5d-3.2h

Which of the following statement about pascal's triangle are true?

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 does independent variable and dependent variable mean in math?