Example: y = -2x and y = x + 3 does the point (-1, 2) make either equation true? explain.

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

Factor and solve to find roots x squared -x - 90 =0

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano