1) Which of the following quadrilaterals has right angles? a) rhombus b) trapezoid c) square d) kite 2) Who discovered the Pythagorean Theorem? a) Aristotle b) Plato c) Pythagoras d) Rene Descartes 3) Which is a linear equation in two variables? a) y = 3x + 6 b) x + 5 c) 5 = x d) x2 + x -2 = 9

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