You have 90 square feet of space available for your fort. what is the maximum value of x feet that you can add to the length?

You Can Add 10 More Because If You Want 100 Then That Would Be Your Anwser To Get 100 Square Feet

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.