Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(12b)0
A. 0
B. b
C. 12
D. 1
Answer: D
Mathematics
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A. y6(2y - 5)(y - 6) B. y2(2y2 - 5)(y4 - 6) C. (2y4 - 5)(y4 - 6) D. (2y4 - 6y2 + y - 5)(y4 - 5y2 + y - 6)
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Name the kind of rotational symmetry shown in the figure.
A. fourfold B. sixfold C. onefold D. eightfold
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Factor. Check by multiplying.4 + 4z
A. 4(1 + 4z) B. 4(0 + z) C. 4(4 + z) D. 4(1 + z)
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Multiply.9,180 × 0.65
A. 59,670 B. 5,847.66 C. 5,967 D. 596,700
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