doreen schmidt is a chemist. she needs to prepare 28 ounces of a 10% hydrochloric acid solution. find the amount of 14% solution and the amount of 7% solution she should mix to get this solution

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Step-by-step explanation:

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isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c