State whether each of the following statements is true or false

$x^{2}-5 x+4$ is a linear polynomial.

With the help of the remainder theorem, find the remainder when the polynomial $x^{3}+x^{2}-26 x+24$ is divided by each of the following divisors

$x-1$

Write the degree of each of the following polynomials

$8 x^{5}+3 x^{2}-4 x+7$

Give possible expression for the length of a square whose area is $\left(9 x^{2}+30 x+25\right)$ square units. $(x>0)$

Write the degree of each of the following polynomials

$x^{8}-6561$

Classify the following as a constant, linear,quadratic and cubic polynomials:

$2+x$