Question

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Answer 1

Answer:

A p

Step-by-step explanation:

We have

$12x {}^{ - 3} y {}^{ - 1}$

Remeber that

$x {}^{ - n} = \frac{1}{x {}^{n} }$

$12 \frac{1}{x {}^{3} } \frac{1}{y {}^{1} }$

Now, plug in

So now we plug in -1 for x and 5 for y

$12 \frac{1}{ { - 1}^{3} } \frac{1}{5 {}^{1} }$

Simplify

$- \frac{12}{5}$

A is the answer.