Provide an appropriate response.Decide whether the expression is positive, negative, or zero. 

A. Zero
B. Negative
C. Positive


Answer: A

Mathematics

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Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the curves y = ±  and the lines x = 1 and x = 9, with density ?(x) = 

A.  = 2,  = 0
B.  = 5,  = 0
C.  = 4,  = 0
D.  = 3,  = 0

Mathematics

Solve the equation.4x = 256

A. {5} B. {64} C. {4} D. {3}

Mathematics

Simplify the expression by combining like terms.2y - y - 9y

A. -8y B. -7y C. -6y D. -7y - y

Mathematics

Test the graph of the following equation for symmetry with respect to the polar axis, and the pole. r = -12 - 4sin (2q)

A) The graph is symmetric with respect to

only.
B) The graph is symmetric with respect to the polar axis only.
C) The graph is symmetric with respect to the pole only.
D) The graph is symmetric with respect to all three.
E) The graph has no symmetries.

Mathematics