91Ó°ÊÓ

In the following exercise, evaluate the following expression.

$5x-4$when$x=6$

In the following exercise, evaluate the following expression.

$x^4$when$x=3$

Determine if each is an expression or an equation.

$9·6=54$

In the following exercise, evaluate the following expression.

$3^x$when$x=3$

In the following exercise, evaluate the following expression.

$x^2+5x-8$when$x=6$

In the following exercise, evaluate the following expression.

$2x+4y-5$when$x=7,y=8$

In the following exercises, identify the coefficient of each term.

$12n$

In the following exercises, identify the coefficient of each term.

$9x^2$

In the following exercises, identify the like terms.

$3n,n^2,12,12p^2,3,3n^2$

In the following exercises, identify the like terms.

$5,18r^2,9s,9r,5r^2,5s$