Write an equation for the line below

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Asap (i need to finish this quick) graph complete the sequence of transformations that produces △x'y'z' from △xyz. a clockwise rotation ° about the origin followed by a translation units to the right and 6 units down produces δx'y'z' from δxyz.

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.