An item is regularly priced at $40 it is on sale for %15 of the regular price. what is the sale price?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.