Please help ASAP!! Rah write a polynomial expression in standard form using one variable, a, that has 4 terms and is degree 5

Nicole write a polynomial expression in standard form using one variable, a, that has 3 terms and is degree 2.

Raj and Nicolasa 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 could be less.