To move armies across this territories
Answer:
B
Explanation:
Atoms, like energy, cannot be created or destroyed, therefore the answer is B
The soil was held together by grass roots. It was called sod. Settlers were called sodbusters because they had to break through the sod to plant crops. There was not a lot of wood, so settlers used sod to build homes.
Answer:
−13a+9b+450
Explanation:
Let's simplify step-by-step.
450−8a+7b−(5a−2b)
Distribute the Negative Sign:
=450−8a+7b+−1(5a−2b)
=450+−8a+7b+−1(5a)+−1(−2b)
=450+−8a+7b+−5a+2b
Combine Like Terms:
=450+−8a+7b+−5a+2b
=(−8a+−5a)+(7b+2b)+(450)
=−13a+9b+450
Answer:
=−13a+9b+450
