The zero of polynomial $5 x-10$ is…………

For the polynomial

$\frac{x^{3}+2 x+1}{5}-\frac{7}{2} x^{2}-x^{6},$ write

$(i)$ the degree of the polynomial

$(ii)$ the coefficient of $x^{3}$

$(iii)$ the coefficient of $x^{6}$

$(iv)$ the constant term

Write the coefficient of $x^{2}$ in the following polynomials

$\pi x^{2}-\frac{22}{7} x+3.14$

$4 x^{2}+11 x-3$ is a $\ldots \ldots . .$ polynomial.

Find the zero of the polynomial $p(x)=5 x-8$.