Sarah has a square garden. The four sides of the square garden are made out of wood. The garden has four rows. In each row there are three sections that measure one foot on each side. Sarah plants one flower in each section. How many flowers does Sarah plant in her garden?

hence, the required result is

step-by-step explanation:

suppose we have two matrices a and b

we will assume the two matrices

we have to compute b-a which means subtracting corresponding elements of a from b.

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i think you would have to divide the money he had saved, which is $2,000 by the time he plans on exercising which is 40 hours, and the answer you get should tell you the answer to your question.