Answer:
how do you find the radius of a circle if you only know the area of the circle. Do you somehow reverse the Pi formula. and hence if you know A, divide it by π and then take the square root to find r.
They practiced subsistence farming to provide just enough food for themselves
Answer: The state of Texas has many reasons as to why it is one of the biggest economies in the USA, but some include the no income tax, job opportunities, many different and unique job options, and easy access to trade through the Gulf of Mexico.
Explanation: Hope this helps! :D
They crossed over a "land bridge" between the countries. The ice froze all the water so they were able to walk across it.