-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
Step-by-step explanation:
c
Answer:
D
Step-by-step explanation:
Congruent means the same. Translating it just moves it somewhere else.
What does the spaces in between the numbers mean
Answer:
A. 5.19 units
Step-by-step explanation:

Given:
= 81°- Arc length = 7.34 units
Substituting given values into the equation and solving for r:





