Raj writes a polynomial expression in standard form using one variable, a, that has 4 terms and is degree 5.

Nicole writes a polynomial expression in standard form using one variable, a, that has 3 terms and is degree 2.
Raj and Nicole’s polynomial expressions are added to create a sum, written in standard form.
What can you determine about the degree of the sum?
The sum will be degree .

What can you determine about the number of terms of the sum?
The maximum number of terms of the sum is , but it could be less.

BUT I WANT TO LEARN HOW TO ACTUALLY DO IT I DONT WANT JUST THE ANSWER