Translation 5 right and 5 down

Which equation can be simplified to find the inverse of y = 2x2?

Given the following statements, which is the best

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?