91Ó°ÊÓ

In the following exercise, simplify the expression:$-8(-6)÷(-4)$

In the following exercise, simplify the expression:$31-4(3-9)$

Simplify the expression.

$2^8$

In the following exercise, simplify the expression:$24-3(2-10)$

In the following exercises, evaluate each expression.

$x+8\mathrm{when}\left(a\right)x=-26\left(b\right)x=-95$

In the following exercises, evaluate each expression.

$y+9when\left(a\right)y=-29\left(b\right)y=-84$

In the following exercises, evaluate each expression.

When $b=-11$, evaluate

$$\begin{gathered} \left(a\right)b+6 \\ \left(b\right)-b+6 \end{gathered}$$

In the following exercises, evaluate each expression.

When $c=-9$, evaluate:

$$\begin{gathered} \left(a\right)c+\left(-4\right) \\ \left(b\right)-c+\left(-4\right) \end{gathered}$$

In the following exercises, evaluate each expression.

$p^2-5p+2\mathrm{when}p=-1$

In the following exercises, evaluate each expression.

$q^2-2q+9\mathrm{when}q=-2$