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
Carnegie's early job with the railroads helped him predict that the demand for steel to build railroad tracks and bridges would grow.
Answer:
a) land grant
Explanation:
These grants were given to settlers of the Americas.
