91Ó°ÊÓ

Evaluate the expression using the distributive property and mental math. $5\left(197\right)$

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

$15x y z$

Use the distributive property to write an equivalent variable expression. (Lesson 2.2)

$7(p−4)$

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

$2x  +  9y  +  5z$

Use the distributive property to write an equivalent variable expression.

$x  (  x+9  )$

Write the product using an exponent. (Lesson 1.2)

$6â‹\dots 6â‹\dots 6â‹\dots 6$

Solve the equations $0.1x=1,  0.01 x=1,0.001 x=1 and   0.0001x=1$. What happens to the solutions as the coefficients of x get closer to 0?

Perform the indicated operation.

$53.6÷6.7$

Solve the equation. Check your solution.

$\frac{\mathbf{n}}{\mathbf{-}\mathbf{5}}\mathbf{=}\mathbf{-}\mathbf{7}\mathbf{.}\mathbf{3}$

Evaluate the expression using the distributive property and mental math. $4\left(2.8\right)$