91Ó°ÊÓ

Divide. $$\frac{72}{-8}$$

Find each product mentally. Example $$\begin{aligned}15 \cdot 12 &=15(10+2) \\\&=150+30 \text { or } 180\end{aligned}$$. $$16 \cdot 11$$

Solve each equation. Check your solution. $$x-4=-6$$

Julia and Catelyn are using the Distributive Property to simplify \(3(x+2) .\) Who is correct? Explain your reasoning. $$\begin{array}{c}\text { Julia } \\\3(x+2)=3 x+2\end{array}$$ $$\begin{array}{c}\text { Catelyn } \\\3(x+2)=3 x+6\end{array}$$

Explain how rectangles can be used to show the Distributive Property.

Use the Distributive Property to write expression as an equivalent expression. \(3(a+5)\)

Use the Distributive Property to write expression as an equivalent expression. \(-2(y-8)\)

Use the Distributive Property to write expression as an equivalent expression. \(7(d-10)\)

Jake ran \(x\) miles on Monday, \(y\) miles on Tuesday, and \(z\) miles on Wednesday. Write an expression for the average number of miles Jake ran.