What is the value of the expression if n = 15?
-( n + 3 )...
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The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?
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How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?
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What are the solutions of the following system? y=-2x^2 y=x-2
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