91Ó°ÊÓ

In the following exercises, simplify.

$\frac{d-16}{16-d}$

In the following exercises, simplify.

$\frac{7v-35}{25-v^2}$

In the following exercises, simplify.

$\frac{w^2-3w-28}{49-w^2}$

In the following exercises, multiply.

$\frac{3}{8}·\frac{2}{15}$

In the following exercises, simplify.

$\frac{t^3-27}{t^2-9}$

In the following exercises, multiply.

$\frac{2x{y}^2}{8y^3}·\frac{16y}{24x}$

In the following exercises, multiply.

$\frac{3a^2+21a}{a^2+6a-7}·\frac{a-1}{ab}$

In the following exercises, multiply.

$\frac{5z^2}{5z^2+40z+35}·\frac{z^2-1}{3z}$

In the following exercises, divide.

$\frac{t^2-4t-12}{t^2+8t+12}÷\frac{t^2-36}{6t}$

In the following exercises, divide.

$\frac{r^2-16}{4}÷\frac{r^3-64}{2r^2+8r+32}$