An item is regularly priced at $20. keiko bought it on sale for 15% off the regular price. how much did keiko pay?

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a. m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum. how many seats does the larger van have?

Which of the following tables represents exponential functions?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.