Answer:
3/6, 5/10, 50/100 the rest are not held of the denominator
Answer:
2n, 5n, n
2m, 6m
4n3
Letters are grouped together, except for when they have exponents. Numbers with the same letter and exponent can be grouped together though (ex. 4n3 and 9n3) Hope this helps!

Therefore, g(-2) = -6
Basically substitute x = -2 in the equation.