rage-speed-of-40-mi/h-from1 her-home-in-City-A-to-visit-her-sister-in-City-B. She-stayed-in1 City-B-25-hours, and-on-the-trip-back-averaged-55-mi/h.-She returned-home-45-hours-after-leaving. How-many-miles-is-City1 A from-City-B Your answer-is:-463.157 www

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.