positive = greater than 0.
Therefore we have the inequality:
|add 7 to both sides

As the width gets larger so does the total area
1,000,000,000,000 is the answer
Those expressions are already in scientific notation.
A fixed expense<span> is an </span>expense<span> that will be the same total amount regardless of changes in the amount of sales, production, or some other activity. A good example of this is rent or a mortgage.</span>