Multiple samples of students were asked four questions, with the sampling variability of their answers to question 2 being the highest. question 3 had the second highest sampling variability, question 4 came next, and finally, question 1 had the lowest sampling variability. the answers to which of the questions are most reliable?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)