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Bring the fraction a/a-4 to a denominator of 16-a^2

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units