Abank loaned out $17,500, part of it at the rate of 10% annual interest, and the rest at 14% annual interest. the total interest earned for both loans was $2,170.00. how much was loaned at each rate?
$ loaned at 10% and
$ was loaned at 14%.

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.