Answer:

Step-by-step explanation:
Given polynomials are:
,
and 
Now we need to add the given polynomials, then place the answer in the proper location on the grid. Also we need to write answer in descending powers of x.
So let's add them by combining like terms:


Hence final answer in descending order is 
Answer:
It is geometry
Step-by-step explanation:
If you do a check (plug in your answer to y) that would be your reason
Answer:19
Step-by-step explanation:
3x3=9 then add by 10 giving u the sum of 19
<3
Your answer is A.) for ur problem