Simplify. 

A.
B.
C. 0
D.

Answer: D

Mathematics

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Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.

A. (z - 6)2
B.  - 6
C. z - 6
D. z - 

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Multiply.14.7 × 5.16

A. 7.5852 B. 75.852 C. 758.52 D. 0.75852

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Graph the parabola. State the vertex of the parabola.y = -x2 - 2x - 6

A. vertex (1, 5)

B. vertex (-1, -7)

C. vertex (-1, 5)

D. vertex (-1, -5)

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Find the dot product v ? w.v = 2i,w = j

A. 2
B. 0
C. 3
D.

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Mathematics