Can someone please help?

Which rational number could be graphed between -4 and -5

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

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.