The pet shop is selling cat food at $7.50 per pound. The store marks down all the merchandise by 30% for a promotion. Members Receive an additional 20% discount after that. Nusrat is a member and wishes to purchase 2 pounds of cat food. How many dollars should she expect to pay? (please answer quickly someone I really need help :/)

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%.

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)