Simplify the algebraic expression: 4n + 19 + 3n - 2n - 5 A. 19n B. 33n C. 5n + 14 D. 9n + 24

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.