Please help with a valid answer. What is AB?
What is the slope of AB?
A: - 4/3
B: - 3/4
C: 3/4
D: 4/3

What is BC?
What is the slope of the segment BC?
The answer choices are for both questions are.;

A: - 4/3
B: - 3/4
C: 3/4
D: 4/3

After answering the question what best describe the relationship between AB and BC?

A. They are perpendicular but not congruent.
B. They are congruent but not perpendicular.
C. They are neither perpendicular nor congruent.
D. They are perpendicular and congruent.