Find the degree of the polynomial given: $x^{5}-x^{4}+3$

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

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer: $x^{10} + y^{3} + t^{50}$

Find the zero of the polynomial: $p(x) = 3x - 2$.

Find the remainder when $x^{3}+3x^{2}+3x+1$ is divided by $x+\pi$.

Verify: $x^{3}-y^{3}=(x-y)(x^{2}+xy+y^{2})$