How do you multiply a fraction by a whole number

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?

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

What is the total area of the figure?