Answer:
495
Step-by-step explanation:
This problem can be solved b using a combination. We're using a combination for this because the order in which you would pick the books doesn't matter. To solve, we would plug in the number of books, in this case 12, into the n value of the combination. Then we would plug in the number of books that would be picked, in this case 4, into the r value of the combination. Solve the combination, and you get 495.
Answer:426m^2
Step-by-step explanation:
Answer:
you either need to multiply or add im on that question
Step-by-step explanation:
Y=9r, r=r
9r+r=30
10r=30
r=30/10
r=3(Red Sox)
yankee=9(3)=27
