Find the product. Assume variables represent positive real numbers.(m1/6 + m-1/6)(m-1/6 - m1/6)
A. -m1/3 + m-1/3
B. m - m1/3 + m -1/3 - 1
C. m1/3 - m-1/3
D. 1 - m1/3 + m-1/3 - m
Answer: A
Mathematics
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Find the cardinal number of the indicated set. Use the cardinal number formula.If n(A) = 4, n(B) = 9 and n(A ? B) = 2, what is n(A ? B)?
A. 13 B. 11 C. 12 D. 10
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Solve the equation.Solve tan ? = 0 for ?, where 0° ? ? ? 90°.
A. 90° B. 0° C. 30° D. 60°
Mathematics
Write as a decimal.80%
A. 0.69 B. 8 C. 0.8 D. 0.08
Mathematics
Factor completely. If the polynomial cannot be factored, write "prime."4x4 + 14x3 - 8x2
A. 2x(2x + 1)(x - 4) B. 2x2(2x - 1)(x + 4) C. x2(2x - 1)(2x + 8) D. (4x2 - 2)(x2 + 4)
Mathematics