100 Points + Brainliest! Need to find The coordinates of these 4 questions!! The coordinates of the vertices of triangle PQR are P(-2, 5), Q(-1, 1) and R(7,3). Determine whether triangle PQR is a right triangle

The coordinates of the vertices of quadrilateral ABCD are A(0, 4), B(4,2), C(2,-1) and D(-2,1).
Jorge states that quadrilateral ABCD is a parallelogram.
Slope of segment AB =

he coordinates of the vertices of quadrilateral ABCD are A(0, 4), B(4,2), C(2,-1) and D(-2,1).
Jorge states that quadrilateral ABCD is a parallelogram.
Slope of segment BC =

The coordinates of the vertices of quadrilateral ABCD are A(0, 4), B(4,2), C(2,-1) and D(-2,1).
Jorge states that quadrilateral ABCD is a parallelogram.
Slope of segment CD =