Answer:
-1/2
Step-by-step explanation:
2/6 - 5/6= -3/6
= -1/2
In algebraic terms this is:

The integer is 2.
I'm guessing you'd combine them. And the end equation would be
81x6y
Multiplying x^2 by 5 stretches the graph vertically by a factor of 5. Try graphing both x^2 and 5x^2 and see for yourself that this is correct.