What’s the correct answer for this?

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

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?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?