Find the unknown in each percent question.What percent of 2.4 is 12?

A. 20%
B. 15%
C. 500%
D. 20.2%

Answer: C

Mathematics

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Find the indicated vector.Let u = . Find 9u.

A.
B.
C.
D.

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Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log30 10 + log30 3

A. 10 B. 3 C. 30 D. 1

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Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational roots. x3 + 3x2 + 4x - 8 = 0

A. {-1, -2 + , -4 - }
B. {1, 2 + 2i, 2 - 2i}
C. {1, -2 + 2i, -2 - 2i}
D. {1, 2 + , 2 - }

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Mathematics

Simplify the complex fraction. Leave the answer in factored form when appropriate.

A.
B.
C.
D.

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Mathematics