Divide.

A. 21x6 - 35x2
B. 3x6 - 5x2
C. 3x8 - 5x4
D. 3x7 - 5x3


Answer: B

Mathematics

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Use a calculator to find the function value to four decimal places.sec (2.82)

A. -0.9487 B. -1.0540 C. 0.3161 D. -0.3332

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Use the Urban Prices Index Table to answer the question. The table shows what $100 worth of an item costs today.  *All figures are expressed as a percent of the base of 100 from two decades ago.Urban area: ChicagoWhich item increased the least?

A. Food and beverages B. Medical C. Transportation D. Recreation

Mathematics

Multiply.( - x)( + x)

A. z - 2x - x2
B. z - x2
C. z - x
D. z + 2x - x2

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Simplify.8( -2.8x + 7y + 1.5z)

A. -22.4x - 56y - 12z B. -22.4x + 56y + 12z C. 22.4x + 56y + 12z D. 5.2x + 15y + 9.5z

Mathematics