Answer:
The Answer is 0 or D:)
Step-by-step explanation:
100+(-200)=0
100 is 101 to the nearest ten
Answer:

False
Step-by-step explanation:

You substitute
for the second equation.

Then you have to distribute
.

Combine like terms.

Answer:
c
Step-by-step explanation:
i am a really good guesser and i think it is c