F(x) = 8 - 3x
f(9) = 8 - 3(9)
= 8 - 27
= -19
hope this helps!
The answers to the questions
She would be 40 years old.
Answer:
30 degrees
Step-by-step explanation:
If you were to draw a number line, 15 and -15 are both 15 units away from 0. So, 15 + 15 =30
Please brainlist!