What is 531 x 321 x 345???

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?

Which of the following is true for the relation f(x)=2x^2+1

Give me the equations of two lines that have the same slope but are not parallel.