3-) martha o'brien made a deposit to her checking account at an atm and received
$75 in cash. the checks deposited totaled $50 less than twice the currency amount,
and the total deposit was $25 more than the check amount. determine the amounts
martha deposited in checks and in currency as well as the total deposit.

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.