Answer:

Step-by-step explanation:
We want to simplify:

We rewrite as positive index to get:

This simplifies to

This will finally give us:

We cannot simplify further.
Hence the simplest form is 
<span>it is the letter b because if you count closly you will see
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-4<x<6 would be the compound inequality
1 1/4 hours. When you add them that’s what you get.