91Ó°ÊÓ

Rewrite each of the following using the associative property of addition. $$(4+5)+9$$

Write the following in symbols. The product of 7 and \(n\)

Rewrite each of the following using the associative property of addition. $$(4+n)+1$$

Write each of the following sentences as mathematical expressions. The difference of \(25 x\) and \(9 y\) is 16.

Use the rule for the order of operations to simplify each expression. [Examples \(13-16]\) $$5 \cdot 3^{4}+16 \div 8-2^{2}$$

Find a solution for each equation. $$4+n=12$$

Find a solution for each equation. $$5+n=7$$

The application problems that follow may involve more than merely division. Some may require addition, subtraction, or multiplication, whereas others may use a combination of two or more operations. Monthly Income \(A\) family has an annual income of \(\$ 42,300 .\) How much is their monthly income?

The application problems that follow may involve more than merely division. Some may require addition, subtraction, or multiplication, whereas others may use a combination of two or more operations. Hourly Wages If a man works an 8 -hour shift and is paid \(\$ 96,\) how much does he make for 1 hour?

The application problems that follow may involve more than merely division. Some may require addition, subtraction, or multiplication, whereas others may use a combination of two or more operations. Price per Pound If 6 pounds of a certain kind of fruit cost \(\$ 4.74,\) how much does 1 pound cost?