Find the zero of the polynomial: $p(x) = x + 5$

What are the possible expressions for the dimensions of the cuboids whose volumes are given below? $\boxed{\text{Volume} : 3x^2 - 12x}$

Classify the following as linear,quadratic,and cubic polynomials:
$(i)$ $1+x$
$(ii)$ $3t$
$(iii)$ $r^{2}$
$(iv)$ $7x^{3}$

Find the zero of the polynomial: $p(x) = 2x + 5$

Factorise: $12 x^{2}-7 x+1$

Evaluate the following using suitable identities: $(99)^{3}$