Which person in the high-rise building is closest to the street level

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?