Devin has 39 toy blocks. what is the value of the digit 9 in this number?

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?

Is the square root of 4 plus the square root of 16 rational?

Can someone me out here number 4 plz