Answer:
do like this i think answer is correct
Answer:
72=7×^7 -49
Step-by-step explanation:
Answer:
ghtshnnnyhnbfgnbrdjyr
Step-by-step explanation:
Answer:
462 ways
Step-by-step explanation:
One book never selected means 12 - 1 = 11.
So to find the number of ways, 11C5 which equals to: 11!/(5!(11-5)!) = 462
Answer:
2:3=14:21
Step-by-step explanation:
2+2=5
35/5=7
7*2=14
7*3=21