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The Environmental Protection Agency picks the 10 most fuel-efcient cars each year. The scatterplot below shows the engine size (measured in liters) and highway miles per gallon (mpg) rating of the EPA's top nine cars of 2011. Note that cars with bigger engines usually get fewer miles per gallon. 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.8. 2.8 ENGINESIZE The equations of the three lines in the graph are: a. =466&: b. 3,}:5062: c. 33:5043: Which equation matches the lowest of the three lines? a\") Equation c 0 Equation a 0 Equation b