Ava is trying to determine how much a delivery of 70 gallons of water will weigh. She knows that five gallons of water weigh 41.7 pounds.
(a) Determine how much a single gallon of water weighs, I. e. the pounds per gallon.

do you mean add both of the equations together

because if you do the answer is 10x-5

step-by-step explanation:

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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