C because of the step by step explanation an i’m sorry
All except the third selection are 0.
-12+12= 0
8+(-8)=0
-5+-5= -10
-20+20=0
-2,000+2,000=0
follow the the rules of integers
es la probabilidad de tener tres hijos del mismo sexo
9514 1404 393
Answer:
B. 91
Step-by-step explanation:
14C12 = 14!/(12!(14-12)!) = 14·13/(2·1) = 7·13 = 91
Answer:
10
Step-by-step explanation:
because there are 20 girls and 10 boys = 30
