If the original quanity is 10 and the new quanity is 12, what is the percent increase

Given right triangle xyz, which correctly describes the locations of the sides in relation to

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.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?