Emerson took Brady to dinner. The bill for dinner was $45.96. Brady left a tip of 22% on the table. How much did Emerson and Brady spend altogether for dinner?

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.

The answer is b 12-4m