Find the area of the shaded (gray) region. Question 13 options:

24 cm squared

60 cm squared

84 cm squared

36 cm squared

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?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.