Provide the proper response.How many vertices must there be in order to draw a connected planar network with 12 edges that separates the plane into 6 regions?

A. 16
B. 20
C. 8
D. Cannot be drawn


Answer: C

Mathematics

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Simplify the expression. Assume that all variables are positive when they appear.

A.
B.
C.
D.

Mathematics

Factor the expression completely.y2 - 11y + 18

A. (y + 2)(y + 9) B. (y - 2)(y + 9) C. (y - 18)(y - 1) D. (y - 2)(y - 9)

Mathematics

Simplify. Assume radicands of square roots are positive.()3

A.
B. 3x2
C. 27x6
D. 9x2

Mathematics

Factor completely.32a4b - 98b3

A. 2b(4a2 + 7b)(4a2 - 7b) B. 2b(4a + 7b)2 C. 2b(4a - 7b)2 D. Prime

Mathematics