Discover Questions

Find the two x-intercepts of f(x)=x^2-4x and show that f'(x)=0 somewhere between them? Wht should I tell a friend who says he is rejecting science and all things scientific? Do Female Dogs or Cats menstruate(blood, fluids) like humans women do? If a person draws 3 cards from a deck without replacing them what is the probability that at least one of the cards is a face card? Please Help, Chemistry question. The 5 Geometries?