Tomas works as an underwater photographer.Her starts at position that starts 15 feet below sea level.He rises 9 feet,then descends 12 feet to take a photo of a coral reef.Write and evaluate an expression to find the position relative to the sea level when he took the photo.
Tomas works as an underwater photographer.Her starts at position that starts 15 feet below sea level.He rises 9 feet,then descends 12 feet to take a photo of a coral reef.Write and evaluate an expression to find the position relative to the sea level when he took the photo.
-15+9-12 = -6-12=-18
