Explanation: ty is already 15 feet below sea level. Every minute he descends 2.5 feet or (-2.5 feet). Now you multiply 6 and (-2.5) to get the depth that he would descends to in 6 min.
-15+6(-2.5)= -30 he would be 30 feet below sea level.
Ty is scuba diving. He is 15 feet below sea level. He descends 2.5 feet each minute. Which expression represents Ty’s location compared to sea level after 6 minutes?