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1
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If x is a positive integer,  is equivalent to
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2
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The expression  is equivalent to
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3
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The expression  , is equivalent to
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4
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When  and d is a positive integer, the
expression  is equivalent to
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5
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If  , the expression 
is equal to
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6
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The volume of a soap bubble is represented by the equation  ,
where A represents the surface area of the bubble. Which expression is also equivalent
to V?
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7
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The expression  is equivalent to
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8
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The expression  is equivalent to
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9
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The expression  is equivalent to
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10
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The expression  is equivalent to
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11
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The expression  is equivalent to
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12
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When simplified, the expression  is equivalent to
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13
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Which expression is equivalent to  ?
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