What is the domain and range of the set of ordered pairs?

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%.

What term best describes a line ans a point that lie in the same plane

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11