Factor the trinomial:
2x^2+13x+21

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%.

Ineed in figuring out this problem.

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent