[Neo]

After burning through the math problems, S.T.A.R.S. WIN IMMUNITY!!

Here are the answers, taken from GM:

1. Billy and Rebecca are standing back to back.

2. The man makes a total profit of $20.

3. Half of the city will be covered by the virus in 19 minutes.

4. FAREDCE = Red in the face.

5. 325.

6. *(0.2 ^ -2) ^ (1/2) or square root of (0.2 ^ -2)

7. Forever and ever. (Four ever)

8. The missing letter is F.

9. Pin-up.