Quadrilateral EFGH has vertices A(-5,1), F(-1,6), G(4,1), and H(-1,-4). Which type of quadrilateral best describes EFGH
A. parallelogram
B. kite
C. rectangle
D. trapezoid

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

Precalculus question, image attached.

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.