Complete the square to re-write the quadratic function vertex form
y=x^2-10x-6

How do i solve using pythagorean theorem?

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%.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')