Answer:x-5
Step-by-step explanation:
Answer:



Step-by-step explanation:
Given
--- 8 friends
--- proportion that one-time fling
This question is an illustration of binomial probability, and it is represented as:

Solving (a): P(x = 0) --- None has done one time fling




Solving (b): 
To do this, we make use of compliment rule:

Rewrite as:



Solving (c):
--- Not more than 2 has one time fling
This is calculated as:

We have:







So:



A -3 subtracted by 10 is -13 and it stays 2
Answer:
C(7,-8)
R= 8
The general formula of a circle = (x-a)+(y-b)=r²