Answer:
,
, 
Step-by-step explanation:
these are all irrational! hope this helped you :3.
Number of students = 26
Number of students without siblings = 4
⇒ Number of students with at least one siblings = 26 - 4 = 22
Number of students with brothers = 17
Number of students with sisters = 7
⇒ Number of students with both a brother and a sister = 17 + 7 - 22 = 2
P(student has a brother, given that they have a sister) = 2/7
Answer: 2/7
A + b phrase describe the variable expression y + 8
Answer:
B.22
Step-by-step explanation:
4+4+7+7=22