A mountain is 14,698 feet above sea​ level, and a valley is 119 feet below sea level. What is the difference in elevation between the mountain and the​ valley?

The total difference in elevation between the mountain and the valley is 14,817 feet. This is calculated by adding the elevation of the mountain (14,698 feet) to the elevation of the valley (119 feet), which is 14,698 + (-119) = 14,817 feet.