Multiply: 

$-\frac{3}{8}\times24=$

Divide: 

$\frac{-25}{60}\div\ \frac{5}{-12}=$

Multiply:

$-12\ \times\ 12\ =$

Divide: 

$45\times(-\frac{1}{9})=$

Divide:

$(-25)\div(-5)=$

Multiply: 

$(-3)\times(-5)=$

Multiply: 

$0.25\times4=$

Divide:

Divide: 

$-81\div3=$

Multiply: 

$\left((-6)\div(-\frac{1}{6}\right)=$