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1. 3p = x, then 3p + 3 is:

     x + 3
     3x
     27x
     9x
     x3

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2. The expression 1/i is equivalent to:

     1
     -1
     i
     –i
     -1/i

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3. If 2x3 = 8, then what is the value of (6x3)2?

     64
     156
     384
     288
     576

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4. The expression √(5/3) can also be written as:

     5/√3
     3/√5
     √15/3
     3/√15
     5/3

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5. The daily income of Laura has increased from $120 to $150. The percentage increase in her income is:

     15%
     20%
     25%
     30%
     60%

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6. If |x – 4| < 2, then which of the following is true?

     2 < x < 6
     x < 2 or x > 6
     -2 < x < 6
     x = 2
     x = 6

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7.  A circle is inscribed in a square ABCD as shown in the figure. If the length of the line segment PQ is 6, then the area of the circle is:

     5pae
     12pae
     18pae
     22pae
     25pae

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