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I. Translate each of the following mathematical phrase into a mathematical expression if possible. Let x and y be the numbers.

1. A number increased by five

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2. Twice the square of a number

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3. The square of the sum of two numbers

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4. The sum of the squares of two numbers

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5. A number less by three

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6. Twice of a number added by four

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7. The cube of a number less than five

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8. The area of a rectangle whose length is seven more than its width

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9. The difference of a square of two numbers

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10. The quotient of the sum of two numbers by another number

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