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Mathematics, 05.10.2019 10:00 cody1097

At 7 p. m. last night , the temperature was 10*f . at 7 a. m. the next morning ,the temperature was -2 * f .
by how much did the temperature change from 7 p. m. to 7a. m.?

the temperature change by a steady amount overnight . by how much did it change each hour?

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