At 7p. m. last night, the temperature was 10 degree fahrenheit. at 7a. m. the next morning, the temperature was -2 degrees fahrenheit. by how much did the temperature change for 7p. m. to 7a. m.

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Which expression is equivalent to 3^3 + 2^2?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?