. The balance in Susan's checking account was $245.35. After the bank deposited interest into the account, her balance went to $248.02. How much
interest did the bank pay Susan? Write an equation to model and solve this
problem.

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.