What is the axis of symmetry for the graph of y=2x^2-4x+2

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%.

The graph of g(x) is a translation of y = which equation represents g(x)?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?