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The simplified expression is 
Explanation:
The expression that we have in this problem is

We want to simplify this expression: in order to do so, we apply the rule to solve the square of a binomial:

Where in our expression, we have:

So, the various terms are:

Therefore, the final expression becomes

Learn more about simplify expressions:
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This passage uses imagery of sight - it explains everything that the narrator sees: I saw the water, I saw only my round refection, colors and lights need vision to see and then reflecting anything I could see around me.
The last sentence the narrator can only see what's around them and can no longer see anything reflected through the water (since the water shook)
3. based on events in "black girl" tthe reader can conclude that madame most likely associates france with b. the tiresome duties of motherhood.
5. diouana's decision to leave africa inspires all of the following except the a. joy of the children.
Answer:
150
Explanation:
add 30 to each number, so 120 + 30= 150. Hope that this helps you and have a great day :)