Answer:
5
Step-by-step explanation:
I believe it is B, as C and D both are based on the number of books sold while the only variable to determine the amount of money she earns are the additional doors she knocks on.
Answer:
C
Step-by-step explanation:
Two negative signs make a positive number. So -(-4) makes 4. I know it sounds weird, but thats what schools teach. Hope this helps!
-8 i think? hope this helps!
Answer: 10
Step-by-step explanation: Combine like terms for y, so add then you get 10.