55 men can finish a piece of work in 42 days. How many additional men must be added to complete the work 9 days earlier.

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?

What percent of the circle below is shaded?

Ineed to know the answer to this algebra question.