How many ways can you arrange 8 people in a straight line?
+
What is the length of the side of a triangle if the angle opposite it measures 50 degrees, another side measures 10, and the opposite angle measures 40 degrees?
+
What is the horizontal asymptote equation of a hyperbola with a center at (0,0), eccentricity of 2, and foci located at (-3,0) and (3,0)?