If $x+y=-4,$ then what is the value of $x^{3}+y^{3}-12 x y+64 ?$
$0$
$1$
$2$
$3$
Determine the degree of each of the following polynomials:
$-10$
Write the coefficient of $x^{2}$ in each of the following:
$(i)$ $\frac{\pi}{6} x+x^{2}-1$
$(ii)$ $3 x-5$
On dividing $16 x^{2}-24 x+9$ by $4 x-3,$ find the remainder.
Evaluate the following products without multiplying directly
$84 \times 79$
Expand
$\left(\frac{2 x}{3}+\frac{4 y}{5}\right)\left(\frac{2 x}{3}-\frac{4 y}{5}\right)$
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