Alex drew the triangles shown. Which of the following correctly describes the triangles?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

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.

Can someone me with the property questions for 12 13 and 14 plz