13. An airplane is flying at an altitude of 30,000 feet. As it begins its decent, it moves toward the ground at an angle of 3.5. What type of angle is this? How far will the plane fly until it finally lands?

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A: topic - quadratic equations

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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.