Mark is building a custom wooden frame around his flower bed. the length of the frame is 5.45 feet, and the width of the frame is 3.275 feet.

You would subtract it so it would be 3.275 - 5.45 = 2.175 hope this helps

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.