If $49 x^{2}-b=\left(7 x+\frac{1}{2}\right)\left(7 x-\frac{1}{2}\right),$ then the value of $b$ is

Without actually calculating the cubes, find the value of each of the following

$\left(\frac{1}{2}\right)^{3}+\left(\frac{1}{3}\right)^{3}-\left(\frac{5}{6}\right)^{3}$

What should be added to $p(x)=x^{2}-8 x+10$ so that the resulting polynomial is divisible by $x-3 ?$

Find the zero of the polynomial in each of the following cases

$q(y)=\pi y+3.14$

Without actually calculating the cubes, find the value of each of the following

$(0.2)^{3}-(0.3)^{3}+(0.1)^{3}$

Write the following cubes in expanded form

$(2 x+7)^{3}$