Answer: B
Step-by-step explanation: It is greater or equal to -6 and less than or equal to 5.
all students = 150
M = 60
S = 45
M and S = 25
(a) At least one of the two requirements:
M or S = M + S - (M and S) = 60 + 45 - 25 = 80
(b) Exactly one of the two requirements:
(M or S) - (M and S) = 80 - 25 = 55
(c) Neither requirement:
(all students) - (M or S) = 150 - 80 = 70
Answer:
-1
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
Answer:
the answer should be 2 but it could be wrong