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:
More than one independent variable being tested.
Step-by-step explanation:
If a student wants to figure out if ONLY salt affects the growth of seeds, the student shouldn't change the amount of sunlight being received.
Answer: 5h+4.5 i got it right on edg
Step-by-step explanation:
Answer:
The answer would be 30/13.
Step-by-step explanation:
Votes for the skating rink= 30
Votes for the bowling alley= 13
Ratio of the # of votes for skating <u>TO</u> the # of votes for the bowling alley= 30/13.
Hope this helps! :)