Danielle sells beauty supplies and earns a base salary of $450 per week plus 9% commission of her total sales. During one particular week, she sells $895 worth of beauty supplies. How much is her total pay for that week? (total pay = salary + commission)

11/2.2 = 5 inches for the length 8.5/2.2= 3.86 inches for the width

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.