The Smiths took out a $130,000, 30 year mortgage at an APR of 3.4%. How much will they pay in interest after 30 years if they only make their monthly payments? Help me please

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

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?