You borrow $2500 at a simple interest rate of 7% annually. You have to pay back the
loan and interest in 90 days. How much do
you pay at the end of the loan?

Ugh h h t t u i i vick u

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.