You can complete 1/6 of your task in an hour. Your friend can complete 1/6 as the same task in an hour how long will it take to complete a task if you work together?

It will take 3 hours to complete your task together.

Dbecause there are negatives surrounding ding it

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.