The girls are closer. Her feet are 1/2 the distance away from the surface pool, the boys are 3/4 away.
Since it is a slope, the equation of a slope is y=Mx+b. So you want to get b to that format. To do this, you need to isolate the y on the left. To do this, you simply add 2x to both sides. Your final answer will be y=2x+7. Hope this helps!
Answer:
12
Step-by-step explanation:
f(-7) = 5-(-7)=5+7=12
The first option is correct (: