Discover Questions

If humans did not exist on the planet at the same time Dinosaurs, where did we come from? How can I find analytic function f(z)=u+iv, where v=2cosxcoshy-x^2+y^2 and f(0)=2? A complement of 45°? Among twelve school buses, five have worn brakes. If six of these buses are randomly picked for inspection, how many of them can be expect? How can you figure out how fast and how far a weight on a Atwood Machine will be after being released?