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1. The number 0.25 is how much greater than 1/20? 

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2. x = y  (25/y), where x and y are both > 0 If the value of y is doubled in the equation above, the value of x will be ... 

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Answer: increase to more than double 


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3. C(squared)+ D(squared) Divided by c + d
If c and d are both negative, which of the following is a simplification of the expression above? 

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4. If x > 0 , and x²  4x  3 = 0 , what is the value of x ? 

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5. What is the odd number that is a factor of 360 ? 

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