-9x2y5 is polynomial or monomial or binomial or trinomial or polynomial

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form.

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?