The dot plot shows the number of magazines bought in a month by 21 people in a office: 0 1 2
3
6
7
8
9
10
Number of Magazines Bought
Is the median or the mean a better center for this data and why?

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.