Answer:
The y-intercept on the y-axis
Step-by-step explanation:
The y-intercept is where you start graphing. That's why it's important to find that first.
Hope this helps!!
Answer:

Step-by-step explanation:
We remove the bracket and rearrange the numbers to add them. Only similar variables can be added together.

A. 
To find greater than or smaller than relation, we multiply the terms like (numerator of L.H.S with denominator of R.H.S and put the value on the left side. Then multiply the denominator of L.H.S with numerator of R.H.S and put the value on right side. Now compare the digits.)
So, solving A, we get 810<209 ... This is false
B. 
= 238>589 ..... This is false
C. 
= 496>780 .... This is false
D. 
= 420<660 ..... This is true
Hence, option D is true.