On wednesday at 9 a. m., winston went diving. near the beach, the ocean’s surface was at an elevation of -2.5 feet. during his deepest dive, winston reached an elevation that was 20 1/5 times the elevation of the ocean’s surface. what elevation did winston reach during his deepest dive?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

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?

If wxyz is a square, which statements must be true?