It takes 45 minutes or of an hour to cook a chicken. how many fourths of an hour is that? a. 1 b. 2 c. 3 d. 4

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.