Answer: 2
Step-by-step explanation:
Slope=rise/run
In this case
Rise=2
Run=1
2/1=2
Answers are
there are four ways to choose the committee
there are three ways to form the committee if person D must be on it
if person B and C must be on the committee, there are two ways to form the committee
F=1
Add 22 to both sides, then divide both sides by 3
A translation
(I'm assuming that this isn't multiple choice since you didn't include the answer choices.)