Here are the 3 questions What is the length of AB?
What is the length of DE?
Are the circles congruent?

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Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x