What is the median value of the data set shown on the line plot? enter your answer in the box. second pic not

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)