HELP ME ASAP PLEASE ANYONE 1. -x+5y=17 x+2y=11
2. 2x-7y=11 -x+7y=-16
3. -5x+8y=-4 5x-8y=6

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a