Me with number one it is due soon! i have absolutely no idea how to do it, but i know the awnser is 49 pie( math symbol) for 1. but i don't know how that person got that? ! me figure this out if you know.

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%.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8