Determine whether each expression is equivalent to x – 0.2x. Check the box for Yes and leave blank for No. (1 – 0.2)x

0.2x – x

0.8x

1 – 0.2

20 percentage, you can also do it on a calculator.

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.