7. A profit of 30% was made when abook was sold for Birr 150, find the selling price that would have given aprofit of 50%?
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What two consecutive odd integers have a sum of -28

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

What properties allow transformation to be used as a problem solving tool