Fred is playing tennis. For every 2 of his serves that land in, 3 serves land out. If he hit 28 serves in, how many serves landed out?

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

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