8x-5y=-1 ordered pairs as solutiion of linear equation

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?