Geometry homework !

use the chart below to answer the questions:

country population

(1997 estimate) area

(square km)

u. s. 272,648,000 9,364,520

denmark 5,248,000 42,077

egypt 5,784,000 1,759,540

which of these countries has the greatest population density? which has the least? provide an explanation and proof for your answer to receive full credit. (10 points)

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.