Finish:She talk to much but I still hit cause she a fool on that

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

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form