Please answer ASAP
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Three coins are flipped. what is the probability that there will be at least two tails?

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5