Determine if the expression 3, r, to the power 5 , plus, 8, r, cubed 3r 5 +8r 3 is a polynomial or not. If it is a polynomial, state the type and degree of the polynomial.

The expression 3r^5 + 8r^3 is a polynomial because it is a combination of variable terms and constant terms, with only addition and multiplication operations.

The type of polynomial is a binomial, which is a polynomial with two terms.

The degree of the polynomial is 5, which is determined by the highest exponent of the variable.