Which of the following is an example of a complex number that is not in the set of real numbers? A) -7
B)
C) 4+9i
D)
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Julia measured the high temperature in her town for one week. using the chart above, find the mean absolute deviation for the high temperatures. round your answer to the nearest tenth. be sure to show your work for finding: the mean of the set of data the distance of each number from the mean the mean absolute deviation

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Do,h = (7, 9) (14, 18) the scale factor is