In a tug a war contest the green team pulled the center rope market to point A then Is that yellow team are covered and put the center market to point B to win the contest.

Which statement describes how to find the distance between these points?

A: Add -5 and 8 to get to 3

B: subtract 5 from -8 to get -13

C: add 8 and 5 to get 13

D: add 5 and -8 to get -3

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.