Answer:
<h3>y = -32</h3>
Step-by-step explanation:

Substitute ; x =20 in given equation

Answer:
A.
Step-by-step explanation:
Since you want an answer option with the numbers with 3 less after every day, it would be the first option, since it goes down by 3 psi by every day.
Please find the attached photograph for your answer
Answer:
80/4
Step-by-step explanation:
You do
which is 80/4