91Ó°ÊÓ

Determine whether each relation is a function.

For what values of nis the opposite of ngreater than n? For what values of nis the opposite of nless than n? For what values is nequal to its opposite?

Evaluate the expression $\frac{2·8^2−2^2·8}{2·8}$.

Rewrite each expression using the distributive property. Then simplify.

$-4\left(5-2t\right)$

Find the volume and surface area of each rectangular prism.

Find the number of boards of each 2 feet 8 inches long, can be cut from a board 16 feet long.

A parallelogram has a base of 20 millimeters and a height of 6 millimeters. Find the area.

Find the area of the rectangle.

$\begin{array}{l}A)\text{ â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰}14\text{ â¶Ä‰}square\text{ }meters\\ B)\text{ â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â€‰}16\text{ â¶Ä‰}square\text{ }meters\\ C)\text{ â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â€‰}50\text{ â¶Ä‰}square\text{ }meters\\ D)\text{ â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â¶Ä‰â€‰}60\text{ â¶Ä‰}square\text{ }meters\end{array}$

Evaluate the expression $25+\left[(16−3â‹\dots 5)+\frac{12+3}{5}\right]$.

Determine whether each relation is a function.