Pedro created the model below. What percent is represented by the shaded region of the model?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

1. 25pi ft^2 2. 5pi ft^2 3. 10pi ft^2 3. 20pi ft^2

For each expression use a property to write an equivalent expression. tell which property you used. ab 5(3x-2)