Ask your own question, for FREE!
Mathematics 18 Online
OpenStudy (anonymous):

You have 7 friends who want to go to a concert with you, but you only have 2 extra tickets. How many possible ways are there to choose 2 of your 7 friends? A)49 B)21 C)14 D)42

OpenStudy (anonymous):

im not sure but i think its 49..right?

OpenStudy (savvy):

7C2 = 21

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!