Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.- 

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


Answer: D

Mathematics

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A. True B. False

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Find the opposite of the expression.3x2 + 9x - 6

A. -3x2 + 9x + 6 B. -3x2 - 9x + 6 C. 3x2 - 9x + 6 D. -3x2 - 9x - 6

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A. 1.2 months B. 0.9 months C. 0.3 months D. 1.8 months

Mathematics

Solve the problem.A deep-sea diver dives from the surface to 135 feet below the surface. She then dives down 28 more feet. Represent this distance below the surface as an integer.

A. -166 ft B. -105 ft C. -163 ft D. -107 ft

Mathematics