During a sale, a store offered a 20% discount on a stereo system that originally sold for $320. After the sale, the discounted price of the stereo system was marked up by 20%.

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet