They’re parallel to each other

<h2><em>hope</em><em> it</em><em> helps</em><em>!</em></h2>
Answer:
Hi
Step-by-step explanation:

in this formula
d is diameter
v is circumference
because the question asked the answer in terms of pi so we write the pi its self
hope this help you
god bless you and us
-x - 9

You want to get x by itself.
First subtract 9 from both sides of the equation.
-x - 9

+9 +9
-x

Then divide -1 on both sides.
-x/-1

I'm pretty sure when you divide a negative number when solving inequalities, you switch the sign.
x