Discover Questions

If extraterrestrials exist, would they most likely be on a very old planet like Jupiter or very young planet like Earth? Do bears hibernate in zoos? 7x-9=6x+3y? Consider the polynomial x^5-4x^2-7x-2=0. Show that the closed circle centered at x=0 of radius two contains at least two roots.? Who are more likely to be around in 1 million years: plants or fungi? Why?