HELP!!!
While scuba diving, Rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. What expression can be used to find Rajeev’s new position?

12.6 – 8.7

–12.6 – 8.7

–12.6 – (–8.7)

12.6 – (–8.7)