what is the area of a sector with a central angle of 2 pi/7 radians and a diameter of 40.6 mm use 3.14 for pi

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Which expression is equivalent to sq-80

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.