Here are two number cards. A and B 5/6 of A is equal to 1/2 of B.
The difference between A and B is 56.
What is the value of B?

Ithought this was

The answer is 76° i believe

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.