At a hot air balloon festival, Mohamed's balloon is at an altitude of 40 m and rises 10m/min. Dana's balloon is at an altitude of 165m and descends 15 m/min. In how many minute will they meet at the same altitude? What will be their altitude when they meet?

I’m not tryna lie to me

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.