Find the Degree 3^2b-5

$3^{2} b - 5$

Raise $3$ to the power of $2$ .

$9 b - 5$

Identify the exponents on the variables in each term, and add them together to find the degree of each term.

$9 b \to 1$

$- 5 \to 0$

The largest exponent is the degree of the polynomial.

$1$