Solve the problem.The letter Z has a symmetry type

A. D2.
B. Z1.
C. Z2.
D. D1.
E. none of these

Answer: C

Mathematics

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Classify the real number as a natural number, whole number, integer, rational number and/or irrational number. The number may belong to more than one set.5.

A. rational number B. integer, rational number C. whole number D. irrational number

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Mathematics

Find the center (h, k) and radius r of the circle with the given equation. (x + 9)2 + y2 = 121

A. (h, k) = (-9, 0); r = 121 B. (h, k) = (-9, 0); r = 11 C. (h, k) = (0, -9); r = 121 D. (h, k) = (0, -9); r = 11

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Mathematics

Factor the polynomial completely.2x2 - x - 28

A. (2x + 7)(x - 4) B. (2x + 4)(x - 7) C. (2x - 7)(x + 4) D. (2x - 4)(x + 7)

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Mathematics

Write an equivalent expression in exponential form.log25 5 = 

A.  5 = 25
B. 525 = 2
C. 251/2 = 5
D. 51/2 = 25

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Mathematics