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por favor!!​

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.

Find the measure of angle c in the following triangle.

Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees.