Help asap please Which figure has the correct lines of symmetry drawn in?

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.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

In the geometric progression –3, 12, −48… what term is 3,072?