Answer: 
Step-by-step explanation:
Given : The number of children in a family is 1, 2, 3, or 4.
Little Joe (a boy) has no brothers. But he may have sisters.
The sample space for the number of child in Joe's family : {B, BG, BGG, BGGG}, where G represents girl and B represents boys.
Then , for the probability that he is an only child, favorable outcome = B
Thus, the probability that he is an only child is given by :-

Hence, the probability that he is an only child = 
Answer:
27 meters
Step-by-step explanation:
a=1/2bh
a=1/2(18)(6)
a=27
Answer:
5 cups of dark soy sauce
Step-by-step explanation:
2 + 3 = 5
So if there is 1 cup of dark soy sauce for every cup of soy sauce then it 5.
Answer:
4v+4y-2
Step-by-step explanation:
Answer:
I'm not in 7th grade but 7th grade was not the year for me lol
Step-by-step explanation:
sh. it was wild XD