Does answer math in common core explanation

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?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Do,h = (7, 9) (14, 18) the scale factor is