9 is the answer negatives cancel out creating positve
Answer:

Step-by-step explanation:
The domain is all possible values for x.

There are no restrictions on x.
The domain is all real numbers.
Answer:
Can you give me the choices for each of these, I'm not sure how they might phrase it.
Answer:
Step-by-step explanation:
CD = 15, so we have the hypotenuse.
DF = 18, but we can find a leg by 18/2 which is 9
using our pyth. theorem, 15^2=9^2+CG^2
CG = 12
Hope this helped
Hey the picture is blurry can u take another one plz