Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.
A. rational, real
B. whole, real
C. irrational, real
D. integer, real
Answer: C
Mathematics
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Use the principle of square roots to solve the equation.y2 = 15
A. 225
B. 7.5
C. ±
D. 
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Determine whether the sequence of vertices is i) a walk, ii) a path, iii) a circuit in the given graph.
B ? G ? C ? B ? F
A. Walk and path B. None of these C. Walk only D. Walk, path, and circuit
Mathematics
Solve the problem.A fence is to be constructed to enclose a rectangular area of 20,000 m2. A previously constructed wall is to be used for one side. Sketch the length of fence to be built as a function of the side of the fence parallel to the wall.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.5(x + 4) - 20
A. 5x + 4 B. x + 20 C. 5x D. 20x
Mathematics