Answer:
5
Step-by-step explanation:
64 = 4 + 12g
64 - 4 = 12g
60 = 12g
60 / 12 = g
5 = g
g = 5
A rational expression is undefined if the denominator is zero. Since the denominator is
, the expression is undefined if

A rational number times a rational number=rational numberan irrational number times a rational number=irrational number
remember, a rational number is a number that can be written as a/b where a and b are integers and b≠0
A is irrational because the pattern doesn't repeatb is irrational because it's a crazy square rootC is irrationalD is not irrational, it is a fraction
answer is D