Write the expression in expanded form.logb

A.  logbx ? logby ÷ 4 logbz
B.  logbx + logby - 4 logbz
C.  logbx - logby + 4 logbz
D.  logbx + 2 logby - 8 logbz


Answer: B

Mathematics

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What will be an ideal response?

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Provide an appropriate response.Find the coordinates of all points (x, y) on the graph of the equation x2 + y2 = 2x + 2y where the tangent is horizontal.

A. (1, 1 + ), (1, 1 - )
B. (1, 1), (1, -1)
C. (2, 2 + ), (2, 2 - )
D. (2, 0), (2, 2)

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A. 59 B. 49 C. 56 D. 69

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Add or subtract as indicated. Simplify, if necessary. - 

A. - 
B.
C.
D. - 

Mathematics