a city provides electricity to its resident at a monthly fee of $35.85 plus 12 cents per kilowatt-hour. write an equation relating the monthly charge c and kilowatt-hour x. calculate the charge for using 800 kilowatt-hour in month. find the slope

step-by-step explanation:

points a and b are equidistant from the desired line, so the line you find by using them will go through point r.

using points other than a and b will give the desired line only if they are equidistant from r. if they are randomly located, the perpendicular line you create will not necessarily go through point r, hence will not be a solution to the problem.

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step-by-step explanation:

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i those same problems in math and dont know how to do them

sorry not knowing about that