Answer:
D $45
Step-by-step explanation:
you would take the $350 and divide it by 80 an you get 4.375 than you round that to the nearest 5th
If the population was 40,000 at the beginning of 2009, at the end of 2009 it has increased by 10% and became 44,000.
By the same way, at the end of 2010, it became

At the end of 2011, the population was
The answer is (x-42)×(x+42)