Expand $(6x - 7)^2$.

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

Find the zero of the polynomial in the following case:
$q(m) = 0.3m - 0.15$

The zero of the polynomial $p(x) = bx + m$ is $\ldots \ldots \ldots$

Determine the degree of the following polynomial:
$-10$

If $p(x) = x^{4} - 2x^{3} + 3x^{2} - ax + 3a - 7$ is divided by $(x + 1)$,the remainder is $19$. Find the value of $a$. Also,find the remainder when $p(x)$ is divided by $(x + 2)$.