Joan had eighty - six dollars to spend on nine books. After
buying them she had fourteen dollars. How much did each book cost?

Which of the following is a justification used while proving the similarity of triangles lom and mon

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

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.