Area of a square with side s is

In your question, the side or s is:

And so the area of a square with that side length would be:

And using this formula:

We get that the area is:

And simplifying that we get the final answer as:
Answer:
the 3rd One!
Step-by-step explanation:
if she buys 10 of the small juice box packages and six of the yogurt treat packages then she should have an even number of both. That would be 60 of each.
1 because it’s inequality and compare between a and k
6x + 18, that is the answer