Which is the best estimate for the number of times the coin will land up 10 20 50 80 100

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

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

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.