On a typical summer evening the temperature was 90 degrees f at 7: 00 p. m. at 8: 00 a. m. the next morning the temperature was 70.5 degrees f. what is the average rate of change in temperature? estimate what the temperature was at midnight.

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42