For the polynomial $p(x) = x^{2} - 7x + 12$,find the value of $p(2)$.

By the Remainder Theorem,find the remainder when $p(x)$ is divided by $g(x)$,where $p(x) = x^{3} - 3x^{2} + 4x + 50$ and $g(x) = x - 3$.

Find the value of the polynomial $3x^{3}-4x^{2}+7x-5$ when $x=3$.

Classify the following as a constant,linear,quadratic,or cubic polynomial:
$3x^3$

Find the value of the polynomial $5x - 4x^2 + 3$ at $x = 0$.

Determine the degree of the following polynomial:
$2x - 1$