A recipe for nut bread calls for 1/4 cup of walnuts and 2/6 cup of pecans. What is the total amount of walnuts and pecans needed for the recipe?

It’s hard to understand what you put.. can you show a picture ?

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.