Answer:
2.68
Step-by-step explanation:
What’s the x your trying to find
1/9 can also be written as 3/27 because to get the same denominator you would multiply 1/9 by 3 so
3 cup cakes were ordered
All four quadrants
<h2>
Explanation:</h2>
We have the following inequality:

So the first step we need to perform is to plot the line:


So the line passes through the points:

To find the shaded region, let us take a point, namely, the origin and test it in the inequality:

Since this is true, then the shaded region includes this point. This is shown below and <em>as you can see the solutions exist in all four quadrants.</em>
<h2>
Learn more:</h2>
Inequalities: brainly.com/question/12890742
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The answer would be the last one, 10. 18.2 - 7.4 = 10.8.