What are two mixed numbers that have a sum up of three

1 1/4 + 1 3/4 and equals 3 because
1+1=2,
and 1/4+3/4=1
so add
2+1=3
your final answer is
3

The answer to that question your asking is 64

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.