91Ó°ÊÓ

In the following exercises, evaluate the rational expressions for the given values

$\frac{4p-1}{p^2+5}\text{when}p=-1.$

In the following exercises, evaluate the rational expressions for the given values

$\frac{q^2-5}{q+3}\text{when}q=7$

In the following exercises, evaluate the rational expressions for the given values

$\frac{y^2-8}{y^2-y-2}\text{when}y=1$

In the following exercises, simplify.

$\frac{3s^2+30s+24}{3s^2-48}$

In the following exercises, evaluate the rational expressions for the given values

$\frac{z^2+2}{4z-z^2}\text{when}z=3$

In the following exercises, simplify.

$\frac{10}{24}$

In the following exercises, simplify.

$\frac{8m^4}{16m{n}^3}$

In the following exercises, simplify.

$\frac{14a-14}{a-1}$

In the following exercises, simplify.

$\frac{b^2+7b+12}{b^2+8b+16}$

In the following exercises, simplify.

$\frac{c^2-c-2}{4-c^2}$