This is some hard work ex18 I think. cool place egypt
Answer: They are not congruent.
Step-by-step explanation:
You need to find the distance between these points to find congruence. If just one of these doesn't match with its corresponding side, its not congruent.
DE: square root of 68
_
GH: square root of 53
DE and GH are corresponding, but they are not congruent so these polygons are not congruent.
Answer:133.33%
Step-by-step explanation:
For given change in fractions from
to 
The initial fraction=
New fraction= 
Change in fractions= New fraction-Initial fraction

As change in fraction is positive thus it is an increase.

The answer is -1.5
2(-1/4•3) is what it looks like after everything is put in. Hope this helps