EXPERTS PLEASE ANSER ASAP, THANK YOU IN ADVANCE.

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?

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.