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1. kepler's three laws resulted from his careful analysis of data, and were not derived from a mathematical model. a. experimental b. hypothetical c. theoretical d. observational 2. which of the following was the earliest solar system model to exist? a. aristotelian b. heliocentric c. copernican d. ptolenmiac

The solutions to the inequality y ≤ 2x − 4 are shaded on the graph. which point is a solution? p

What is the highest grade you can score on the act