Which of the following expressions shows how to rewrite 4 − 5 using the additive inverse and displays the expression correctly on a number line?

She will need 5/8 bags for each square yard.

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 right answer should be 6 but your not very specific