The slope of the line whose equation is y + 8.1x = 52 is less than 0, hence the line is falling.

Ais a survey that focuses on only a small portion of the population, and the results are generalized for the larger population.

Which of the layers of the earth has the following three characteristics? i. it is made of molten rock. ii. it has currents that are constantly moving. iii. earth’s plates float on top of its currents.

If the distance between two points on the ground is 10 miles and the distance between the same two points on a map is 4 inches, what is the map scale expressed as a ratio?