Find an equation of the line through (5,-9) and perpendicular to x=7

y = - 9

Step-by-step explanation:

x = 7 is the equation of a vertical line parallel to the y- axis and passing through all points with an x- coordinate of 7

A line perpendicular to it is a horizontal line parallel to the x- axis with equation y = c

Where c is the value of the y- coordinates the line passes through.

The line passes through (5, - 9) with y- coordinate - 9, thus

equation of line is y = - 9

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

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step-by-step explanation:

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