Need badly. been  stuck on this for 20 mins.

We'll look at two points on both pentagons.
 
Point E is located at (2,0). Point E' is located at (4,0). To find the scale factor of the dilation, divide the x and y points of the new image by the original image:

4 ÷ 2 = 2
0 ÷ 0 = 0

The y values are irrelevant to this problem, as both points are on the line x = 0. The scale factor for this dilation is 2. 

Point U is located at (3,2). Point U' is located at (6,4). Divide the x and y values of the points to find the scale factor:

6 ÷ 2 = 3
4 ÷ 2 = 2

The scale factor is 2.

We can conclude that HOUSE was expanded by a scale factor of 2 to create H'O'U'S'E'.

Hope this helps :)

Sorry i don't really know and i don't have time

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