A bank charges a $10 fee to open an account. Which of the following equations best represents the total amount, in the account, m, when starting with d, dollars? A) m=d+10
B) m=d-10
C) m-10=d
D ) m+d=10

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.

Hang: ggffhgfgfggccffg