In rectangle WXYZ , the diagonals intersect at point A, ZA=2.5b , and WY=36 . What is the value of b?

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b =

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.