It's 3...
First you add 3 to both sides.(1/3x^2=3)
Then multiply both sides by 3. (x^2=9)
Then take the square root of both sides. (x=+-3)
Finally since it is asking for the positive solution, you can remove the negative sign and so the answer is 3.
The capital of Mississippi is currently Jackson.
It is the largest city in the state and is named after the seventh president, Andrew Jackson who was honored for his role in 1812.
Knowing each state's population would help.
However New York, Washington state & Indiana are fairly populated with big cities.
Wyoming has the least population of the four states.
Canada shares a long land boundary with Alaska and a long boundary with the Arctic Ocean to the North.
It also has a very short boundary with the Pacific Ocean, around Vancouver.
It actually also shares a maritime (water) border with Greenland - although if we discount this kind of border, we can accept Greenland as the correct answer.
