Answer:
10/8, 20/16
Step-by-step explanation:
Since the first two numbers have the same radical, they can be combined.
-3√7-3√7=-6<span>√7
Simplify -2</span>√32 to get -8<span>√2.
So simplified, you would get -6</span>√7-8<span>√2.</span>
Hello,
In the picture, i have draw one translation 
and a line symmetry 
You have just to follow the colors.
Angle 6, angle 4, angle 3, and angle 2 are all exterior angles.
Hope this helps!