Given the points P(-1, 0), Q(1, -2), R(4, 1) and S(2, 3) and that A is the midpoint of PQ, B is the midpoint of QR , C is the midpoint of PS, and D is the midpoint of RS. a)Verify that AB // CD.

What is the difference between the predicted value and the actual value

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.