The gross monthly salary of a permanent secretary is $6,583. Find his net annual salary after deductions of $1,475 were made monthly.

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?