It’s the third one.. I think
To find the Median, place the numbers you are given in value order and find the middle number. <span>If there are two middle numbers, you average them.
</span><span>18, 21, 21, 24, 26, 35, 39, 48
The two middle number are 24 and 26
Average 24 + 26/2 = 25
The median is 25
</span>
(y2-y1)/(x2-x1)=
slope: 21/26
Okay for this question the answer is x=0.
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2. To insert a square root, just type \sqrt and then the Enter or Tab key to insert the square root symbol.