Determine the type and degree of each of the following polynomial expressions. 9x⁴y⁹ x⁴ - 3x² + 7x⁵ 19a⁶b² + 8ab³c – 27a⁷

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.