$$\frac{1}{-(-3)^{-3}}-\sqrt[3]{-27}$$

Simplify: $-\frac{1}{(-4)^{-2}}-\sqrt[3]{-27}$

Evaluate: $a^{-2}\left(2 a-a^{-3}\right)$ if $a=-3$

$a b^{0}\left(a^{-3}-b^{-2}\right)$ if $a=-2$ and $b=\sqrt[3]{8}$

$-x-x^{-2}-x y^{-2}$ if $x+1=-1$ and $y=2$

$|x|-x(y)(-x)$ if x = -2 and y + 4 = 8

$m-3 m^{-2}$ if m = -3

Evaluate: $k^{3}-(k-c)$ if $k=-2$ and $c+2=6$

$k^{3}-(k-c)|k-c|$ if k = -2 and c= 3

$x a-a\left(x^{-2}-x a\right)$ if r = 3 ard a = -1

$-a^{-3}\left(a-a^{2} x\right)$ if $a=-2$ and $x=4$

Evaluate: $-p^{-2}-\left(p^{2}-x\right)$ if $p=-3$ and $x+2=4$

$-x\left(x-y^{0}\right)|y|$ if $x+2=1$ and $y+3=-1$

$-p^{2}-p^{-3}\left(x p^{0}\right)$ if $p=-2$ and $x+2=-2$