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The North Atlantic current brings warm waters from the tropics to the west coast of which continent?
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Multiply:
ab(a²-3ab-4b²)
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Multiply:
(4a-b)(3a+7b)
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Simplify: (3x-2)²
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Add:
(4x³+6x-6)+(9x²-7x+4)
To visit the ruins of Persepolis, an ancient ceremonial capital of Persia, you would have to travel to what present-day country?
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The port of Rotterdam is built on the delta of which major European river?
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How fast does the earth spin?
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Write 0.0000135 in scientific notation.
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Simplify: (a²b)²(ab²)²
Write 5.24x10^-5 in decimal notation.
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Divide:
(x²-7x-12)÷(x+3)
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Divide: (x²-1)÷(x+1)
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Multiply:(3x-2y)(x+4y)
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Multiply: (4x-3)(3x-2)
Simplify: 3x²+(3x)²
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Simplify: (6x²)(5x)
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Is 17 a monomial?
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Write 5.3x10^-4 in decimal notation.
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Write 376,000,000,000 in scientific notation.
Multiply: -4a(3a²-2a)
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Add: (5y²-7y)+(3y-y²)
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How old is the earth?
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4.6 billion years
About how many active volcanoes are in the world?
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About 1,500 world wide
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What is the population of the world?
6.1 Billion people and counting