Brainliest to the right answer! Plz don’t answer just for points I need to get a good grade on this

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?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

What is the slope of the line that contains the points (-2,1) and (0,-3)