The temperature on a certain morning is -11℃ at 5 a. m. If the temperature drops
3 degree at 6 a.m. and rises 5 degree at 8 a.m. and again drops 3 degree at 9
a.m. What is the temperature at 9 a.m.?
3 degree at 6 a.m. and rises 5 degree at 8 a.m. and again drops 3 degree at 9
a.m. What is the temperature at 9 a.m.?