Some number added to 5 is equal to -11. find the number

1. 5/82.95% is better than 7/8

Hi i just wanted you and me and you are a nice right off my mind and

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.