The figure shown is made up of 16 equally sized
squares. four of the squares are shaded and 12 are
not.
what is the probability that a randomly chosen point on
the grid is in the shaded area? give your answer as a
fraction in simplest form.

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 is 140% of 25? because i need

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x