Answer:
Option 1 is correct.
-5
Step-by-step explanation:
Given:
The given expression is.

Write the given expression in simplest form.

Add negative term of y.


The simplest form of given expression is 
Therefore, the coefficient of the variable term is -5
It is this 100 60 40 30 800
Answer: 14
The number to the right of the decimal point is either 5 or greater than that, so the 13 is increased by 1 which results in 14.