I really dont understand this question and id appreciate some help, thank you :)

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

Two numbers have a sum of 93. if one number is p, express the other number in terms of p.

Kate is arranging new furniture in her rectangular sitting room. she has mapped the arrangement on a coordinate pane. a,b and c represent the sofas, v1 and v2 are decorative vases and aq the aquarium. find the distance between v1 and the aquarium. any body you