Which expression could be represented by 5 divided by 1/2=10

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%.

If g(x) is an odd function, which function must be an even function?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are: