0.6=6/10 so after simplifying you get 3/5, hope it helps !!
If a binomial

is a factor of a polynomial, then

is a root of this polynomial.
Eliminate parentheses using the distributive property.
... -1 -7g +42 +6g = 36
... 41 -g = 36 . . . . collect terms
... 41 -36 = g . . . . add g-36 to both sides
... 5 = g . . . . . .. . . your answer
Well I am not good with ratios but I could try. What do you need help with?
Answer:
This is called transitivity property