What is 2+2=?

fist one gets braily

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%.

When only separate discreet points are graphed it is called?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list