What is the vertex of the graph shown

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.

Given abc find the values of x and y. in your final answer, include all of your calculations.