Find lengths of BC and DC.
Then use Pythagorean Theorem to find BD (the hypotenuse of right triangle DCB). So Pythag here would be:

See attached picture for full work.
Your answer is going to be 6 because 18 subtract 12 equals 6 hope you got this answer right
answer:
B -2
Step-by-step explanation:
equation is x-6=5x+2 and you some it like you would for a regular linear expression