91Ó°ÊÓ

Find the inverse of each matrix, if it exists.

$\left[\begin{array}{cc}4& −5\\ 2& −1\end{array}\right]$

Find the inverse of each matrix, if it exists.

$\left[\begin{array}{cc}−3& 2\\ −6& 4\end{array}\right]$

Write an equation in slope-intercept form for each graph.

Write an equation in slope-intercept form for each graph.

Evaluate each expression.

$\frac{5!}{2!}$

Evaluate each expression.

$\frac{6!}{4!}$

Evaluate each expression.

$\frac{7!}{3!}$

Evaluate each expression.

$\frac{6!}{1!}$

An ice cream shop offers a choice of two types of cones and 15 flavors of ice cream. How many different 1-scoop ice cream can a customer order?

Evaluate each expression

$C\left(4,2\right)$