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What is the smallest integer n such that n\sqrt{2} is greater than 20

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

How much orange juice do you need to make 2 servings of lemony orange slush?