Answer:
The value of a is 150 and b is 4822.
Explanation:
First, you have to expand to remove brackets :


Next, you have to simplify :


Next, you have to compare it :



Answer:
A. Public 4-year university.
Explanation:
Hope that's right. :)
The answer is C, they show info about years in the past, present and future, ask your teacher or any website and they can show you a line graph. :)