Fernando is walking home from a friends house at a constant speed after seven minutes he is 3 miles from home 27 minutes after leaving he is 1.8 miles from home what is his rate in miles per hour

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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.