Which statement about histograms is true? Data is organized in categories. Data appears as bars that are all about the same height. Data is organized in equal intervals. Data appears as bars that do not touch.

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.