Surface area is the area of all the sides added up. If you were to unfold all the areas and make it flat (2-D), area is

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Volume would be cubed because it's 3-D
Answer is A, you should not do negatives on the other side, copy the same monomial on the other sides
Answer:Secondary sources are works that analyze, assess or interpret an historical event, era, or phenomenon, generally utilizing primary sources to do so. Secondary sources often offer a review or a critique. Secondary sources can include books, journal articles, speeches, reviews, research reports, and more.
Step-by-step explanation: