No association would be the answer.
Answer: 
Step-by-step explanation:
I hope you mean y = x² - 12 and not y = 2x - 12.
You switch the y and x variables:
x = y² - 12
And solve for y:
x + 12 = y²

Answer:
what about your pofile???
Answer: no tommyinnit is swag let him rock dude
Step-by-step explanation: cause i said so
An irrational number is a number that cannot be expressed as a fraction for any integers
For example:
Square root of 9
Square root of 36
Pi