Math question: How many different ways can a committee of 4 members be formed from a group of 8 people?
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Math question: If log(base 3) x + log(base 3) (x+2) = 2, what are the possible values of x?
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What is the resulting displacement if a vector of magnitude 5 units is added to another vector of magnitude 3 units at an angle of 45 degrees to each other?