A circle with radius of 9 cm sits inside iſ circle with radius of 11 cm. What is the area of the shaded region?
Round your final answer to the nearest hundredth

Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

16 more than the product of 5 and p