Help I hate math I have no clue what I'm do

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?

Which letters from the table represent like terms? a and b b and c a and d b and d

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.