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Evaluate −a + (−b) where a = 6.05 and b = 3.611

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

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.

Which expression converts 45 degree to radians