Check which congruence postulate you would
ch congruence postulate you would use to prove that the
two triangles are congruent.
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Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

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

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11