91Ó°ÊÓ

Evaluate the expression. Justify each of your steps.

$4  \left(20\right) \left(25\right) (- 5)$

Write a variable expression to represent the phrase.

The quotient of a number and 6

Evaluate the expression when$x=−5\text{ â¶Ä‰â¶Ä‰a²Ô»å â¶Ä‰â¶Ä‰}y\text{ â¶Ä‰}=\text{ â¶Ä‰}−3$.

$−\text{ }x+2\text{ â¶Ä‰}+\text{ â¶Ä‰}3y$

Use the distributive property to evaluate the expression.

$  (21-11-3)  4$

Perform the indicated operation.

$\mathbf{7}\mathbf{÷}\left(\mathbf{-}\mathbf{2}\mathbf{.}\mathbf{5}\right)$

Quilting You are making a quilt and have \(150 to spend on materials. To make the main body of the quilt, you buy 5 yards of solid-color fabric for \)4 per yard and 12 yards of printed fabric for \(8 per yard. You also buy 2 yards of batting (material used to stuff the quilt) for \)11 per yard. How much can you spend on fabric for a decorative border?

Quilting You are making a quilt and have \(150 to spend on materials. To make the main body of the quilt, you buy 5 yards of solid-color fabric for \)4 per yard and 12 yards of printed fabric for \(8 per yard. You also buy 2 yards of batting (material used to stuff the quilt) for \)11 per yard. How much can you spend on fabric for a decorative border?

Evaluate the expression using the distributive property and mental math. $8\left(104\right)$

Evaluate the expression when$x=  -5,  y=3,  \text{and}  z=2$.

$x^2 y z^2$

Solve the equation. Check your solution.

$\mathbf{x}\mathbf{+}\mathbf{6}\mathbf{=}\mathbf{1}\mathbf{.}\mathbf{8}$