Answer:
<BOF is the right answer.
Step-by-step explanation:
The other ones only give one side and you need it to be the whole angle.
Answer:
C= -1/5
B= -0.4
C= -3/7
Step-by-step explanation:
the answer would be 11 1/3
let
x--------> the monthly fee
y--------> the administration fee
we know that
--------> equation 
--------> equation 
Multiply by
equation 
------> equation 
Adds equation
and equation 

Find the value of y

therefore
the answer is
the administration fee is equal to 
Answer: A
Explaining: Because A actually shows all the steps and work. And it’s the more realest android.