Plan A costs $16 plus an additional $0.12 for each minute of calls. Plan B costs S8 plus an additional S0.14 for each minute of calls.
For what amount of calling do the two plans cost the
same?
minutes
What is the cost when the two plans cost the same?
5
?

Bruh sound effect #2

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.