As shown, suzi starts her hike at an elevation below sea level. when she reaches the end of the hike, she is still below sea level at -127 feet. what was the change in elevation from the beginning of suzi's hike to the end of the hike?

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?