How do you find the domain and range for this graph?

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?

What is the range for 31,39,29,34,37,24,36,33,34,28

What is the value of x in the following equation? -3x-2=2x+8