There is no correlation between the number of movies generated per year and the increase in the growth of pharmaceutical industry, so the answer in the first one is no relationship. The second one has a relationship that is causation while the third one has a relationship that is correlation since the increase in life expectancy is related to illnesses.
Answer:
x for the first one is equal to-4
It's just wherever the function touches the x axis, so 5 and -1
Y = 7.5*200 +500
y = 1500 +500
y = 2000
2000 gallons are in the pool 200 minutes after the pump is turned on.