Which numbers will round to 12 when they are rounded to the nearest whole number? Select each correct answer.

11.39

12.43

11.65

12.05

11.18

The temperature of a chemical solution is originally 21 ? c . a chemist heats the solution at a constant rate, and the temperature of the solution 75 ? c after 1212 12 minutes of heating. the temperature, tt t , of the solution in ? c is a function of x , the heating time in minutes. write the function's formula.