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The coordinates of ▲ABC are A(-7, 2), B(4, 5), and C(1, -9). The coordinates of ▲A'B'C' are A'(2, -3), B'(5, 8), C'(-9, 5). A sequence of transformation that maps ▲ABC onto ▲A'B'C' is options: Translation 4 units up Reflection across the y = x line Rotation 180° about the origin Reflection across the x-axis 1. First Transformation 2. Second Transformation 3. Unused choice 4. Unused choice