A vehicle's fuel economy is affected by its speed. The data on Spaller Auto's most popular vehicle is shown in the table below where x is the speed (mph) and Fx) is the fuel economy (mpg).Calculate the rate of change for the interval 45 <= x <= 55.

in the quotation from passage, connie willis states that literature is a way for authors from the past to communicate with readers of today. we can read their stories, books, and other texts to learn lessons about life. willis refers to these lessons as messages “from beyond the grave.” willis has a favorable viewpoint about the timelessness of literature.

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sugar had three basic uses in ancient india. it was used in religious rites, consumed as a snack, and was considered a kind of medicine.

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first, you have to go to settings, click on your profile, go to profile settings, and you'll find the setting there.