Sarah makes a scale map of the distance between Tulsa and Denver Colorado against the distance between the Tulsa in Denver is 15 in if each 1/4 in on the map equals 12 miles of actual distance how far apart are denver and tulsa​

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.

The answer is a (-3,-10.75