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45% of what number is 63The 원둘레 of a circle is 23pi in. What is the area, in square inches? Express your answer in terms of8 is an even numberscience fair poster is a rectangle 36 inches long and 24 inches wide. What is the 지역 of the poster in square feet? Be sure to include the correct unit in your answer.Translate the sentence into an equation. Seven times the sum of a number and 3 is equal to 2