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the graph shows the quadratic function f(x) . what is the average rate of change for the quadratic function from x = 4 to x = 8? enter your answer in the box.
(i'll post a photo of the graph)

According to the data set, where should the upper quartile line of the box plot be placed?

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas