What is the area please help

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

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.