There are 34 hats at shop. there are 2 times as many scarves as hats at the shop. how many scarves are at the shop?

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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.