Ascientist has 800 bacteria. with the use of antibiotics half of them die every 2 hours. how may are there after 16 hours

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%.

In the 30-60-90 triangle below side s has a length of and side r has a length

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?