91Ó°ÊÓ

Subtract. $$ -6-8 $$

Perform the indicated operation and, if possible, simplify. If there are no variables, check using a calculator. $$ \frac{x}{5} \cdot \frac{y}{z} $$

Subtract. $$ 5-(-12) $$

Translate each problem to an equation. Do not solve. What number added to 73 is \(201 ?\)

List the terms in each expression. $$ 9+17 a+a b c $$

Subtract. $$ 5-(-6) $$

Find each absolute value. $$|5.6|$$

Divide, if possible, and check. If a quotient is undefined, state this. $$ \frac{0}{-9} $$

Translate each problem to an equation. Do not solve. Chess. A chess board has 64 squares. If pieces occupy 19 squares, how many squares are unoccupied?

The tallest mountain in the world, as measured from base to peak, is Mauna Kea in Hawaii. From a base \(19,684\) ft below sea level, it rises \(33,480\) ft. What is the elevation of its peak? Source: The Guinness Book of Records