Mariah wants to paint the trim on a third-floor window that is 23 feet above the ground. She places a ladder so it is just under the window. The bottom of the ladder is 7 feet from the base of the outside wall of the house. Which is closest to the length of the ladder to the nearest whole number?

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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.