Answer:
Let x equal the recurring decimal:

Create another number with recurring 216s by multiplying the above expression by 1000:

Subtract Equation 1 from Equation 2 to eliminate the recurring digits after the decimal:


Divide both sides by 999:


Simplify:

Answer:
5 square root 7
Step-by-step explanation:
Answer:
Correct
Step-by-step explanation:
You got the right equation
Answer:
-12.6
Step-by-step explanation:
OK so I might have done something wrong but just remember when you're adding a negative and and a positive number you're technically just subtracting
Answer:
A
Step-by-step explanation:
I think that is A.......