The position of a swimmer below sea level is represented by –5 meters. the diver descends an additional 3 meters below sea level. which expression describes the new position of the diver?

Anyone know? will mark brainliest if correct!

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers