Which polynomial is equivalent to (2h − 3k)(h + 5k)?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?