ADKINSALISA855GO ADKINSALISA855GO Mathematics Answered In city A, the temperature rises 9 from 8a.m. To 9a.m then the temperature drops 8 from 9a.m. To 10a.m. In city b, the temperature drops 5 from 8a.m. To 9a.m. Then the temperature drops 4 from 9a.m. To 10a.m.