A 4-person grievance committee is to be selected out of 2 departments, A and B, with 12 and 30 people, respectively. In how
1 answer:
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Answer:
Option D is the correct option.
Step-by-step explanation:
When there is a ( + ) in front of an expression in parentheses , there is no need to change the sign.
That means, the expression remains the same.
Just remove the unnecessary parentheses
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Collect like terms and simplify
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Hope I helped!
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