Answer:
12:15
Step-by-step explanation:
girls:boys
12 to 15
even though 15 is first in the problem, the question is asking girls to boys not boys to girls
comment if u need me to explain more :)
A and B must be disjoint. You have, by the inclusion/exclusion principle, that

where the last term is required to prevent double counting. When

and

are disjoint, you have

and

, leaving you with
(7, 1) and (1,8)
slope = (8 - 1)/(1-7) = -7/6
so
y - 1 = -7/6(x - 7)
y - 1 = -7/6 x + 49/6
y = -7/6 x + 55/6
answer
A. first one
y = -7/6 x + 55/6
Answer: Airline P since the median is lower and the SDR is lower
Step-by-step explanation: