Question: Find the standard deviation of the set {4, 7, 8, 9, 10} considering it as a population dataset.
+
Find the equation of a hyperbola with the center at (2, -3), vertices at (2, -5) and (2, -1), and foci at (2, -6) and (2, 0). How would it look like on a graph?
+
What is the third angle of a triangle if the first two angles measure 45° and 85°?