100 Pts + $5 Gift Card of your choice What is the slope of line segment PQ with coordinates P(-2,5) and Q(-1, 1)?

What is the slope of line segment QR with coordinates Q(-1, 1) and R(7,3)?

What is the slope of line segment PR with coordinates P(-2, 5) and and R(7,3)?

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. Use the work from questions 3, 4 and 5 to help you with this question.

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 =

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 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 =

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 DA =

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.
Is Jorge's statement true? Explain.

Please answer as many as you can (5+) for 50 points and all for brainliest + a $5 gift card of your choice!