In 1940, a certain country's population was 79,042,573 and its area was 2,919,166 square miles. In 2000, the country's population was 283,891,555 and its area was 3,678,844 square miles. Compute the population densities of both years.

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3