Answer:
He is not correct
Dilation changes the lengths of the sides of the polygon
Congruent polygons must have equal sides and equal angle.
Step-by-step explanation:
-0.5
Use the average formula:
Sum of all numbers/Number of items
6 + (-7) / 2
= -1/2
So, the number in the middle of -7 and 6 is -0.5
C. 2• 3 • x • x
Not sure but that's what I would guess
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C
