Helpp this is due at 1:20

Match each expression with its simplified form.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1