Kim wants to buy a new backpack that costs $35. If the tax rate is 7.5%, how much did Kim pay in total for her new backpack?​

The answer is 1 because you have to flip the sign when dividing by negative number and 3

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.

It is e) i am not sure if you have any questions or need any