Answer:im pretty sure its 2 then you can watch an ad for another answer
Step-by-step explanation:
Answer: She added 7x and 3y
Step-by-step explanation: The final answer should be 7x + 3y, not 10xy.
Let's look at the corresponding ratios:

And we see that the three aren't equal.
Hence, $\Delta ABC$ and $\Delta EDC$ are not similar.
The answer i got was 1/4+x. the only thing close to that is b.
hope this helps.