Use the chart below to answer the questions: Country Population
(1997 estimate) Area
(square km)
U. S. 272,648,000 9,364,520
Romania 22,609,000 237,391
Ghana 18,339,000 237,533
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 swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Math it's appreciated. (picture provided)

What is the perimeter of a rectangle if the length is 5 and the width is x?