The roof of a house is to extend up h = 10.5 feet above the ceiling, which is { = 28 feet across, forming an isosceles triangle (see the figure). Find the length of one side of the roof. 38.5 x ft h ft eft

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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.