Help please tell me if it is a linear, quadratic, or exponential function!! 11 & 12 please.

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?

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Is the number 128.439 a rational number