Aparallelogram has vertices e(-8,3), f(2,-2), g(-1,3), and h(-5, -2). what are the coordinates of the midpoint of each diagonal? a) (3, -0.5) b) (-4.5, 3) c) (-3, 0.5) d) (0.5, -1.5)

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

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.

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y