Over 4 days, Krista deposited $45 into her bank account, transferred $30 to a friend, deposited $59, and withdrew $18. What was the mean change per day to Krista's account in dollars during that week?

Iwould say rat and vsu but i’m not 100% sure

555%=6786666vgggcccf

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.