Answer:
<em>I think it didnt change</em>
Step-by-step explanation:
<em>Cause both areas from the line are the same and if it were to change the left would be diffrent from the right. So there i think it didnt change.</em>
Let the number be x.
7x-x=42
6x=42
x=7
the number is 7
Answer:
Perimeter of quadrilateral
will be 
Step-by-step explanation:
Given quadrilateral
is a reflection of quadrilateral
over the line
.
So, all the corresponding sides of both the quadrilateral should be equal.
Also, we can see from the diagram that 
As both image are reflection of same scale we can add corresponding sides.
So, the perimeter of
will be

And we have 
Now, perimeter of
will be 
Perimeter of quadrilateral
is 
The answer is c because ther is only one value for x which is -2.5
Answer: C. y=15x
Step-by-step explanation:
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