To practice writing the equations of horizontal parabolas, write the equations of these two parabolas in vertex form: focus at (4, 3), and directrix x = 2

focus at (2, -1), and directrix x = 8​

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

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%.

One positive number is 9 more than twice another. if their product is 95, find the numbers