To make cleaning easier, a rectangular horse trough will be lined with plastic. The trough is 27 inches long, 60 inches wide, and 21 inches deep. How many square inches of plastic are needed to line the trough? Count only the trough's five faces.​

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?