Incorrect.
The sentence has to be
No te <u>importan</u> las decisiones
Incorrect. it reads "This is our carts".
It's asking what is the theme of the story, the message the author is trying to convey, in five complete sentences. You can word it like this:
El mensaje que el autor trata de expresar es ...
Which translates to:
The message the author is trying to convey is ...
