Answer: D (bottom option)
Not Congruent
Step-by-step explanation:
Assuming the trapezoids are to scale, they are not the same shape. This means that they could not be congruent even if they were centered on top of each other.
It is D because us the given equation all you do is plug in the x values given on the chart
The right answer is A ! :)
9=n+3
Subtract 3 on each side
n=6