i need revision for my math test from angles. does anyone have any social media where we could talk about it?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Aplot of land is shaped like a quadrilateral. fences are built on the diagonal to divide the area into 4 sections. what is vi to the nearest tenth? gv = 6.55fv = 5.84vh = 3.27vi = ?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15