How many ways can a chair, a recording secretary and three other committee members be selected from a group of 8 people?

A. 56
B. 1120
C. 6720
D. 3136

Answer: B

Mathematics

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Write the Babylonian numeral as a Hindu-Arabic numeral.

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A. 143
B. 144
C. 137
D. 43

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Simplify the expression.12a + 11 + 7a

A. 19a + 11 B. 84a + 11 C. 19a D. 38a

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Decide whether the given replacement value is a solution of the given equation.Is -  a solution to - x = -  ?

A. Yes B. No

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A die is rolled five times and the number of fours that come up is tallied. Find the probability of getting the given result.Exactly three fours

A. 0.032 B. 0.402 C. 0.161 D. 0.003

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Mathematics