244,320 people moved to Phoenix. 16327 people left then 10,430 came back. What is the percentage of people that came back. What is the percentage of people that left.

Distance=slopeslope is -2/4which equals-1/2the distance between these two points is -1/2

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.