7) y = 4x
8) y = 7x/8
9) y = 25x/3
I think this are the answers.
Answer:

Step-by-step explanation:
From the question we are told that:
Data

Generally the equation for Point estimate
is mathematically given by




Answer:
C
Step-by-step explanation:
Exponential decay should be in this format A = Ao × e^(-kt)
Answer:
c and d are correct
Step-by-step explanation:
Answer:
Proportionate to whatever length the corresponding segment for the similar triangle.