Can someone please helpASAP

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?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16